StarCloud Plans 88,000 Orbital GPU Racks to Bypass Ground Power Grid

Deploying Datacenters in Space - Fireside Chat with Ezra Feilden, CTO of Starcloud — Ai4

Ai4

Soaring terrestrial power grid delays and land restrictions will make space-based solar data centers cheaper and faster to deploy than ground facilities within years.

AI-assisted summary of Deploying Datacenters in Space - Fireside Chat with Ezra Feilden, CTO of Starcloud — original source. Check the original for full context.

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## Background Published on YouTube by the Ai4 channel on August 21, 2026, this video features a fireside chat between Ezra Feilden, CTO of Starcloud, and Eoin Higgins, Senior IT Reporter at Morning Brew. The session explores the technical and economic case for deploying hyperscale AI datacenter infrastructure in orbit to bypass terrestrial power, thermal, and regulatory constraints.

## TL;DR Ezra Feilden outlines Starcloud's vision to solve ground-based compute bottlenecks by launching modular, high-density AI data centers into low Earth orbit. The discussion covers how space provides virtually infinite real estate, direct solar energy, and radiative cooling, contrasting these advantages with terrestrial grid delays and public pushback. Feilden details key operational strategies, including fail-in-place GPU architectures, cost reductions enabled by reusable rockets like SpaceX's Starship, and Starcloud's filings for an 88,000-node constellation backed by a 100,000-square-foot mass manufacturing facility in Woodinville, Washington.

## Atmosphere & style The conversation carries a pragmatic, forward-looking, and engineering-focused tone that grounds an ambitious concept in practical physical realities. Feilden speaks with calm authority as an industry insider, replacing speculative hype with clear discussion of thermodynamics, launch economics, and daily production rates. Higgins guides the chat with insightful journalistic curiosity, creating an engaging and balanced dynamic that makes orbital compute feel like an impending infrastructure shift rather than science fiction.

## Key takeaways - [00:04](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=4s) StarCloud was founded to solve Earth-bound compute bottlenecks by deploying large-scale AI data centers into low Earth orbit (LEO). - [01:46](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=106s) Terrestrial data centers face increasing political friction, municipal moratoriums, environmental resistance, and severe power grid delays. - [01:46](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=106s) Building compute infrastructure in space will become faster and cheaper than on Earth due to rapidly falling launch costs driven by reusable rockets like Starship. - [03:32](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=212s) Orbital data centers simplify infrastructure by using continuous solar power directly at the rack level, eliminating heavy ground-based transformers and HVAC units. - [03:32](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=212s) Thermal management relies on ultra-lightweight deployable radiators that radiate GPU waste heat into deep space via infrared emissions. - [06:55](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=415s) Orbital reliability is achieved through N+2 physical subsystem redundancy and a fail-in-place operational strategy that dynamically reroutes workloads around failing GPUs. - [08:38](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=518s) Custom lightweighting can reduce a standard 1-ton NVIDIA GPU rack down to roughly 300 kilograms for orbital launch efficiency. - [11:09](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=669s) StarCloud submitted regulatory filings for an 88,000-satellite constellation placed in dawn-dusk sun-synchronous orbits (SSO) for constant solar exposure. - [12:44](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=764s) While terrestrial solutions like subsea containers or nuclear power are being explored, space offers virtually infinite real estate and direct access to solar energy. - [15:10](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=910s) StarCloud keeps capital costs low by utilizing mass-produced terrestrial silicon solar cells costing approximately $0.05 per watt. - [15:10](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=910s) StarCloud launched its first satellite carrying an NVIDIA H100 GPU in November 2025, with a second test satellite prepared for immediate launch. - [18:05](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=1085s) To achieve daily satellite production, StarCloud established a 100,000-square-foot manufacturing plant in Woodinville, Washington.

## Detailed walkthrough Answering the user's prompt by writing a detailed transcript walkthrough in Markdown format:

[00:04](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=4s) Introduction and Background of StarCloud

The session opens with Senior IT Reporter Eoin Higgins introducing Ezra Feilden, co-founder and Chief Technology Officer of StarCloud. Feilden shares that before establishing StarCloud roughly two and a half years prior, he spent about a decade working in the space industry. He characterizes himself as fundamentally a "space guy" rather than an AI specialist, but highlights his excitement to speak at the conference about combining orbital operations with compute.

Founded alongside two co-founders, StarCloud aims to deploy large-scale AI data centers into low Earth orbit (LEO). Feilden explains that the project was created to overcome severe Earth-bound bottlenecks in scaling compute infrastructure. While building data centers in space was widely regarded as a "wacky idea" met with healthy skepticism back in 2024, the concept has seen rapid mainstream traction across the space sector over the prior six months. Feilden emphasizes that while orbital infrastructure sounds like science fiction, massive constellations of space-based data centers will become a reality and fundamentally transform the future scaling of AI infrastructure.

- **Speaker Background**: Ezra Feilden (CTO & Co-founder, StarCloud) has ~10 years of prior experience in the space industry. - **Company History**: StarCloud was founded circa early 2024 (2.5 years prior to the chat).

---

[01:46](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=106s) Terrestrial Obstacles vs. Orbital Scaling

Higgins highlights the intense political friction surrounding land-based data center development, noting local moratoriums such as those seen in Maine and New York. Feilden responds that municipal bans and public pushback against terrestrial data centers represent "just the beginning." He predicts that public anxiety surrounding AI will increasingly target physical data center structures, making ground-based development exponentially harder due to environmental, political, and federal regulatory headwinds.

Conversely, deploying hardware into space is becoming vastly cheaper and more accessible. Feilden points to SpaceX’s Starship heavy-lift launch system as a pivotal catalyst that will drastically increase orbital payload capacity while dropping transport costs. A critical inflection point is approaching where building infrastructure in space will cross over to become both faster and more economical than building on Earth.

``` TERRESTRIAL DATACENTERS ORBITAL DATACENTERS ----------------------- ------------------- [ Local Moratoriums & Bans ] [ Infinite Orbital Real Estate ] [ Grid Interconnect Delays ] vs [ Near 24/7 Abundant Solar Power ] [ Complex HVAC & Air Water ] [ Lightweight Radiator Cooling ] [ High Land & Build Costs ] [ Mass-Produced Modular Nodes ] ```

- **Ground Challenges**: Public opposition, local moratoriums, environmental pushback, and lengthy power grid interconnect delays. - **Space Advantages**: Rapid deployment avoiding terrestrial permits, unlimited spatial expansion, and access to constant solar energy.

---

[03:32](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=212s) Architecture of a Space Data Center vs. Ground Facilities

Feilden contrasts the physical architecture of a terrestrial data center with an orbital facility. Ground data centers consist of large physical powered shells fed by high-voltage DC lines, complex transformer banks to step down voltages, thermally controlled server rooms, and massive HVAC units with cooling towers that dump waste heat into the atmosphere.

By contrast, an orbital data center replaces almost every component except for the server racks themselves:

``` +------------------------------------------------------------------+ | STARCLOUD ORBITAL NODE | | | | [ Deployable Solar Arrays ] ---> ( Direct DC Rack Power) | | | | | [ Server Racks ] | | | | | [ Laser Optical Links ] <------- ( Fluid Loop Heat Exchanger) | | ( Space-to-Space/Ground) | | | [ Radiator Panel Surface ] | | ( Infrared Heat Dump) | +------------------------------------------------------------------+ ```

Power is captured using large deployable silicon solar panels operating in continuous sunlight, supplying electricity directly to server racks without heavy transformer systems. Thermal management—the main engineering bottleneck—relies purely on radiative cooling since space lacks an atmosphere for convection. StarCloud's internal engineering team focuses heavily on developing ultra-lightweight, inexpensive radiator panels that circulate fluid coolant away from GPUs and radiate waste heat into deep space via infrared emissions. Connectivity relies on laser terminals (optical inter-satellite links) to route high-bandwidth data directly between orbital nodes and ground stations.

- **Thermal Technology**: Waste heat is moved from GPUs into coolant loops and emitted as infrared radiation through large deployable radiator surfaces. - **Power Strategy**: Direct solar-to-rack power eliminates traditional high-voltage terrestrial transformer infrastructure. - **Data Links**: Free-space optical lasers replace terrestrial fiber optics for high-speed routing.

---

[06:55](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=415s) Maintenance, Redundancy, and Orbital Reliability

Addressing questions around maintaining 100% uptime in space without hands-on technician repairs, Feilden details a two-pronged reliability strategy:

1. **Subsystem Redundancy**: Critical infrastructure like fluid pumps, power routes, and cooling loops feature N+2 physical redundancy. This design ensures single-point mechanical failures cannot take down a satellite node over its expected 5- to 10-year lifespan. 2. **Fail-in-Place IT Operations**: Because individual GPUs or physical network cables cannot be swapped manually, the computing architecture operates on a fail-in-place strategy. When a GPU exhibits faults or fails completely, it is powered off remotely, and workloads are dynamically rerouted around the damaged chip to ensure a smooth, graceful degradation of compute capacity over time.

- **Node Lifespan**: Designed for 5 to 10 years of continuous operation in low Earth orbit. - **System Tolerance**: N+2 redundancy for thermal and electrical hardware paired with dynamic workload rerouting across failing GPUs.

---

[08:38](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=518s) Launch Logistics and Reusable Rockets

Feilden addresses the financial and logistical demands of lifting heavy compute infrastructure into orbit, positioning fully reusable vehicles like SpaceX's Starship, Blue Origin's rockets, and Stoke Space as foundational to StarCloud’s business model. Starship's capacity to lift over 100 metric tons per launch fundamentally changes launch economics.

While a standard NVIDIA NVL72 GB200 rack weighs approximately one ton, custom mass-optimization and lightweighting can strip a rack's weight down to roughly 300 kilograms. Combined with high-frequency, daily reusable launch cadences where rockets land, get caught by launch towers, and turn around rapidly, launch bottlenecks disappear.

- **Standard Rack Weight**: ~1 ton (e.g., NVIDIA GB200 NVL72). - **Optimized Orbital Rack Weight**: Reduced down to ~300 kg per rack through custom structural modifications. - **Payload Projection**: Reusable launch systems are expected to expand global orbital mass capabilities by up to 10,000x.

---

[11:09](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=669s) Constellation Architecture: The 88,000-Node Filing

Feilden compares the operational reliability of orbital compute to SpaceX’s Starlink network. Rather than relying on isolated super-satellites, StarCloud's model deploys massive constellations containing tens or hundreds of thousands of rack-scale satellites functioning in tandem as a unified, distributed data center.

StarCloud recently submitted regulatory filings for an 88,000-satellite constellation placed in dawn-dusk sun-synchronous orbits (SSO). This orbital alignment keeps the satellite solar arrays in near-constant sunlight while enabling workload sharing across thousands of independent nodes, making the compute network resilient against individual satellite failures.

- **Constellation Scale**: Regulatory filing submitted for an 88,000-satellite orbital network. - **Orbital Profile**: Dawn-dusk sun-synchronous orbit (SSO) to maximize continuous solar power exposure.

---

[12:44](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=764s) Alternative Compute Solutions vs. Infinite Space

Discussing alternative experimental data center approaches—such as underwater containers (e.g., Atam Marine), floating facilities, remote solar-plus-storage setups, and terrestrial nuclear or fusion concepts—Feilden adopts an open "let a thousand flowers bloom" perspective. He stresses that exponentially skyrocketing AI energy demands require exploring every available option.

However, Feilden maintains that space remains uniquely scalable. Ground expansion inevitably faces physical limits where land and energy generation crowd out terrestrial environments. Space, by contrast, offers virtually infinite real estate and direct access to unattenuated solar radiation.

- **Terrestrial Alternatives**: Subsea containers, ocean barges, off-grid solar-battery installations, and dedicated nuclear reactors. - **Core Distinction**: Space provides boundless expansion space and direct access to solar energy without land usage trade-offs.

---

[15:10](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=910s) Ground Supply Chains and Hardware Milestones

When asked about technology transfer back to Earth, Feilden notes that StarCloud's infrared space radiators require the vacuum and deep-space thermal sink to operate, making thermal designs non-transferable to terrestrial environments. However, algorithms designed for fail-in-place management and distributed cluster routing could benefit ground infrastructure.

To keep capital costs low, StarCloud relies on mass-produced terrestrial silicon solar cells costing roughly $0.05 per watt, intentionally leveraging established terrestrial solar supply chains rather than expensive specialized aerospace arrays.

Feilden highlights StarCloud's rapid hardware delivery milestones: - **First Satellite**: Launched in November 2025 carrying an NVIDIA H100—noted as the most powerful GPU sent into space to date. - **Second Satellite**: Fully built and scheduled for launch within days of the chat.

- **Solar Cost Efficiency**: Utilizes standard terrestrial silicon solar cells at ~$0.05/watt. - **Milestone Payloads**: First orbital testbed equipped with an NVIDIA H100 GPU launched November 2025; second test platform prepared for immediate deployment.

---

[18:05](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=1085s) Mass Manufacturing in Woodinville

In contrast to hype-driven AI commentary, Feilden emphasizes that space data centers are fundamentally pragmatic physical infrastructure. Achieving necessary constellation scales requires transitioning from hand-crafted satellite builds to automotive-style assembly lines capable of pumping out multiple satellites per day.

To achieve these economies of scale, StarCloud is transitioning operations into a new 100,000-square-foot manufacturing facility located in Woodinville, Washington (just outside Seattle). This factory is specifically engineered for high-rate, standardized daily mass production of identical datacenter satellite units.

- **Facility Size**: 100,000 sq ft manufacturing plant in Woodinville, WA (Seattle metro area). - **Production Target**: High-rate automotive-style mass production outputting multiple operational satellite nodes daily.

<ElicitationsGroup message="Explore related topics on orbital infrastructure and space-based computing:"> <Elicitation label="Explain thermal radiation mechanisms in space data centers" query="Explain the engineering principles and physics behind space-based radiator systems and thermal management for orbital data centers."/> <Elicitation label="Compare StarCloud's orbital compute economics with ground data centers" query="Break down the cost comparison between terrestrial AI data centers and orbital space-based compute infrastructure."/> </ElicitationsGroup>

## Notable quotes > [01:04](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=64s) wacky idea — Ezra Feilden

> [01:46](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=106s) just the beginning — Ezra Feilden

> [12:44](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=764s) let a thousand flowers bloom — Ezra Feilden

## Mentioned Ezra Feilden, Eoin Higgins, StarCloud, Morning Brew, SpaceX, Starship, NVIDIA, NVL72 GB200, H100, Starlink, Blue Origin, Stoke Space, Atam Marine

## Video description Ezra Feilden - CTO, Starcloud Eoin Higgins - Senior IT Reporter, Morning Brew

The next generation of hyperscale datacenters won't be built on land, but in orbit. In this fireside chat, Ezra Feilden makes the technical and economic case for deploying datacenter infrastructure in space, and why the shift may be closer than many think. Space offers a radically different set of tradeoffs in power, cooling, and scalability. Ezra will give a frank insight into the engineering challenges, launch considerations, and long-term vision behind orbital infrastructure. Join this session to understand how space-based datacenters will redefine the future of global compute.

[Source](https://www.youtube.com/watch?v=cvmfj95Jpd0)

中文简报

StarCloud拟部署8.8万个轨道GPU机架以绕开地面电网 地面电网接入延误激增与土地限制,将在数年内使天基太阳能数据中心的部署比地面设施更便宜、更快捷。 Ezra Feilden概述了Starcloud通过向近地轨道部署模块化高密度AI数据中心来解决地面算力瓶颈的愿景。讨论涵盖了太空如何提供近乎无限的物理空间、直接太阳能供电和辐射冷却,并将这些优势与地面电网延误及公众阻力进行了对比。Feilden详细阐述了核心运营策略,包括原位失效(fail-in-place)GPU架构、通过SpaceX的Starship等可重复使用火箭实现的降本效应,以及Starcloud针对8.8万个节点星座的申请备案——该计划由位于华盛顿州伍丁维尔(Woodinville)占地10万平方英尺的大规模制造工厂提供支撑。 StarCloud 联合创始人兼 CTO Ezra Feilden 指出,地面数据中心正面临严峻的地方禁令、电网接入延迟和环保阻力,而随着可重用火箭大幅降低发射成本,在太空部署算力基础设施将变得比地面更快、更具经济效益。 (1:46) 轨道数据中心通过大型展开式太阳能电池板直接为机架供电,摆脱了地面笨重的变压器和暖通空调系统,并利用轻量化辐射散热板将 GPU 废热以红外形式辐射至太空深处。 (3:32) 为了保障长期稳定运行,StarCloud 采用关键物理子系统 N+2 冗余,并配合动态绕过故障芯片的就地失效(fail-in-place)架构,同时将单台标准 NVIDIA GPU 机架自重从约 1 吨轻量化削减至 300 公斤左右。 (6:55) 公司已提交包含 88,000 颗晨昏太阳同步轨道(SSO)卫星的星座监管申请,首颗搭载 NVIDIA H100 的测试卫星已于 2025 年 11 月升空,并计划通过位于华盛顿州伍丁维尔的 10 万平方英尺工厂实现流水线化每日批量造星。 (11:09)

Reading summary

StarCloud co-founder and CTO Ezra Feilden argues that deploying AI data centers into low Earth orbit will overcome growing terrestrial land, regulatory, and power bottlenecks as reusable rockets drastically reduce launch costs. Terrestrial Constraints Driving Compute into Orbit (1:46) Feilden states that terrestrial data center construction faces mounting obstacles, including municipal bans, local moratoriums in states like Maine and New York, environmental pushback, and lengthy grid interconnect delays. He forecasts that public anxiety surrounding AI will increasingly target physical facilities on Earth, making land-based development exponentially more difficult over time. In contrast, Feilden views space as uniquely scalable, offering virtually limitless real estate and continuous solar radiation without the land-use trade-offs inherent to Earth. While acknowledging alternative concepts such as subsea pods, floating barges, and dedicated nuclear plants, he maintains that space-based infrastructure will cross an inflection point where it becomes both faster and cheaper to deploy than land-based facilities. Orbital Hardware Architecture and Thermal Dissipation (3:32) Orbital data center architecture strips away conventional building shells, HVAC units, cooling towers, and heavy transformer banks. Power is supplied directly from deployable solar arrays to server racks without voltage stepping systems. High-speed inter-node and ground connectivity is handled via free-space laser optical terminals rather than terrestrial fiber optics. Because the vacuum of space lacks atmospheric convection, thermal control is the primary engineering bottleneck. StarCloud addresses this by circulating fluid coolant away from GPUs into lightweight radiator panels that emit waste heat into deep space as infrared radiation. To keep capital expenses down, the design pairs this specialized radiative cooling system with standard, mass-produced terrestrial silicon solar cells priced at roughly $0.05 per watt. Uptime Strategies and Fail-in-Place IT (6:55) Without physical access for technicians to replace components in orbit, StarCloud relies on a two-part reliability framework designed for a 5- to 10-year satellite operating lifespan. Critical mechanical and electrical infrastructure, including fluid coolant pumps and power lines, incorporates N+2 physical redundancy to eliminate single points of failure. Compute hardware operates under a fail-in-place regime. Rather than replacing damaged GPUs or severed networking lines, the system powers off faulty chips remotely and dynamically reroutes workloads across remaining functional silicon, allowing computing capacity to degrade gracefully over the life of the node. Launch Logistics, Constellations, and Factory Scale (8:38) The economic viability of StarCloud's model depends on high-cadence, fully reusable heavy-lift launch vehicles such as SpaceX's Starship, Blue Origin platforms, and Stoke Space vehicles. Feilden notes that StarCloud lightweighted a standard one-ton NVIDIA NVL72 GB200 rack design down to roughly 300 kilograms for spaceflight, positioning it to take advantage of reusable launchers projected to expand global orbital lift capacity by up to 10,000 times. To build operational resilience, StarCloud filed regulatory paperwork for an 88,000-satellite constellation operating in dawn-dusk sun-synchronous orbits, keeping arrays in near-constant sunlight. Operationally, the company launched its first test satellite carrying an NVIDIA H100 GPU in November 2025 and prepared a second for immediate launch. To supply this constellation, StarCloud is establishing a 100,000-square-foot factory in Woodinville, Washington, designed for automotive-style mass assembly producing multiple satellites daily. StarCloud's vision depends entirely on the commercial delivery of ultra-low-cost, high-frequency heavy launch vehicles and the untested long-term durability of mass-produced commercial server hardware operating in radiation-heavy orbital environments.

精炼阅读摘要

StarCloud 联合创始人兼首席技术官 Ezra Feilden 指出,受限于地面电力接入延迟、环保审批与地方禁令,算力扩张正面临严峻瓶颈;伴随可重复使用运载火箭成熟与太空太阳能利用,部署低轨卫星数据中心网络将成为兼具经济性与无限扩展性的替代路径。 地面算力瓶颈与低轨部署拐点 (1:46) Feilden 指出,诸如缅因州和纽约州出台的地方性禁令表明,公众对人工智能扩张的担忧正逐渐转向地面物理基础设施,未来在环境评估与联邦监管方面将遭遇更大阻力,同时面临漫长的电网互联延迟。相比之下,以 SpaceX 的 Starship 为代表的完全重用重型运载系统正在大幅压低发射单价并成万倍地提升全球入轨载荷能力。 Feilden 预测,太空部署将很快迎来转折点,在建设速度与综合成本效益上超越传统地面机房。StarCloud 的业务模型建立在这一运输能力变革之上,标准重约 1 吨的 NVIDIA GB200 NVL72 机架经过结构轻量化设计后可压缩至约 300 千克,从而使高频次入轨发射具备经济可行性。 轨道节点的硬件重构与被动散热架构 (3:32) 轨道数据中心与地面设施的物理架构存在根本差异。地面机房依赖高压直流电网、变压器组以及需要水冷塔的暖通空调(HVAC)向大气排放废热。StarCloud 的太空节点则剥离了大部分复杂外围设备,仅保留算力机架本身,直接通过展开式硅太阳能电池板获取持续光照供电,省去笨重的高压变压系统。 由于太空真空环境无法进行对流换热,热管理成为核心工程挑战。StarCloud 开发了超轻量、低成本的辐射散热板,利用内部液体冷却回路将 GPU 产生的废热传导至外部大面积面板,并以红外辐射形式直接向深空散逸。卫星节点间以及与地面站的高带宽数据传输则全套由空间激光通信终端完成,取代了地面的传统光纤网络。 就地失效容错与88000颗卫星星座 (6:55) 由于轨道硬件在发射后无法由人工技术人员进行日常检修,StarCloud 制定了双层可靠性保障方案。关键的流体泵、供电线路和冷却管道采用 N+2 物理冗余设计,以保障单机节点具备 5 至 10 年的设计工作寿命;在 IT 架构上则采取“就地失效”(Fail-in-Place)策略,当个别 GPU 发生故障时,系统将远程切断其供电并通过算法动态绕过损坏芯片重新调度任务,实现算力的平滑降级。 在星座架构层面,StarCloud 已提交部署 88,000 颗机架级卫星的监管文件。这些卫星将运行在晨昏太阳同步轨道(SSO),以获取几乎不间断的太阳光照,并通过大规模分布式协同形成统一的算力网络,从而使整体算力基础设施不会因单颗卫星故障而中断。 商业供应链借力与工业级规模化量产 (15:10) 为了压低资本开支,StarCloud 避开了昂贵的宇航级定制组件,选择复用成熟的地面光伏供应链,采用成本仅约每瓦 0.05 美元的地面量产硅光伏电池。硬件部署方面,StarCloud 已于 2025 年 11 月发射了首颗搭载 NVIDIA H100 GPU 的测试卫星,第二颗测试平台在对话时已完成组装并定于数日内发射。 Feilden 强调,太空数据中心并非概念炒作,而是高度务实的物理工业基础设施。为摆脱传统航天器手工作坊式的低频制造,StarCloud 正在华盛顿州伍丁维尔启用一座 100,000 平方英尺的制造工厂,旨在借鉴汽车装配流水线的高节拍生产模式,实现标准机架卫星每天多台的批量产出能力。 尽管 Feilden 对海底数据舱与地面核能等方案持包容态度,但他坚持认为太空提供了不受土地消耗约束的终极扩展空间。不过,该愿景完全依赖 Starship 等下一代超重型火箭的高频复用兑现,且 88,000 颗规模的低轨星座在轨道碎片管理、激光组网复杂性以及长线维护方面仍有待现实检验。

Detailed notes — zh

## Background 本内容由频道 Ai4 于 2026 年 8 月 21 日发布在 YouTube 上。视频为 Morning Brew 资深 IT 记者 Eoin Higgins 与 Starcloud 联合创始人兼 CTO Ezra Feilden 的炉边对话,探讨将超大规模 AI 数据中心部署到地球轨道的工程挑战、经济逻辑以及太空算力如何重塑全球基础设施未来。 ## TL;DR 随着地面数据中心遭遇公众抵触、政策审批与电网接入受限等多重瓶颈,SpaceX Starship 等超重型可复用运力正大幅拉低发射成本,使太空部署展现出巨大的速度与经济优势。Starcloud 规划在晨昏太阳同步轨道(Dawn-Dusk SSO)部署由 88,000 颗卫星组成的分布式轨道算力星座,利用近乎 24/7 的恒定日照与大面积红外辐射散热板解决能源与散热难题。系统通过星间激光链路互连,依托关键子系统 N+2 冗余和原位容错调度应对无人运维挑战,并通过在西雅图建立 10 万平方英尺的流水线工厂实现工业化量产,目前已成功在轨部署首颗搭载 NVIDIA H100 的验证卫星。 ## Atmosphere & style 整场对话展现出极具说服力的务实硬核工程师气质,既有颠覆性的宏大太空愿景,又紧扣散热板设计、原位容错与流水线制造等工程落地细节。主持人提问直击地面能源痛点与太空运维可行性,嘉宾回答冷静客观、条理清晰,不仅没有空洞的科幻吹嘘,反而透露出一种将“天方夜谭”一步步拆解为工业现实的从容与笃定。 ## Key takeaways - [00:04](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=4s) StarCloud 创立于 2024 年,旨在通过在近地轨道(LEO)部署 AI 数据中心星座,彻底突破地面电力供应与物理扩展的瓶颈。 - [01:46](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=106s) 地面数据中心正面临公众抵触、地方监管禁令与电网排期漫长等多重阻碍,而火箭发射成本持续骤降,两者趋势交叉使太空算力在部署速度与经济性上展现出巨大优势。 - [03:32](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=212s) 太空数据中心部署于晨昏太阳同步轨道(Dawn-Dusk SSO),可实现近乎全天候(24/7)太阳能直接供电,省去了地面高压电网与重型变压设备。 - [03:32](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=212s) 在缺乏大气对流的太空环境中,超大面积轻量化红外辐射散热板(Radiator)成为唯一的排热途径,是太空 AI 算力落地的关键核心技术。 - [03:32](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=212s) 太空数据中心舍弃了地面物理光纤,依托星间光学激光链路(OISL)与星地激光终端,构建超高带宽、低延迟的全球光互联网络。 - [06:55](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=415s) 面对无法人工进场维修的现实,系统在关键动力与冷却管线上采用 N+2 硬件冗余,并在 GPU 硬件层实施“原位容错(Fail in Place)”与动态调度,确保平缓退化与长寿命运行。 - [08:38](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=518s) Starship 等完全可复用火箭的高频运力,结合服务器机架从 1 吨降至 300 公斤的轻量化减重设计,从根本上重塑了算力上天的经济模型与交付速度。 - [11:12](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=672s) StarCloud 已提交部署 88,000 颗卫星的超大规模分布式星座申请,借鉴 Starlink 模式通过高密度独立节点将单点故障风险稀释至最低。 - [12:44](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=764s) 相较于水下数据中心或偏远陆地光储方案,太空算力依托近乎无限的物理空间与直接太阳能辐射,是 AI 能源爆发背景下唯一具备终极无限扩展性的解法。 - [12:44](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=764s) 为严控硬件成本,供电端直接采用地面量产的低成本硅太阳能电池(每瓦约 5 美分),并将大规模分布式容错调度架构作为反哺地面的核心技术经验。 - [16:30](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=990s) StarCloud 已成功发射搭载 NVIDIA H100 的首颗测试卫星进行在轨验证,创下人类送入太空的最强 GPU 算力纪录。 - [16:30](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=990s) 团队在西雅图伍丁维尔建立占地 10 万平方英尺的超级制造工厂,借鉴汽车流水线模式实现日产数颗卫星节点,推动太空数据中心的大规模工业化量产。 ## Detailed walkthrough ### [00:04](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=4s) StarCloud 的创立初衷与太空数据中心愿景 对话主持人 Eoin Higgins(来自 Morning Brew)开场邀请 Ezra Feilden 介绍自己与 StarCloud 的背景。Ezra 表示自己拥有约 10 年的航天行业经验,自认“更偏向航天人而非 AI 人”。他在大约两年半前(2024 年)与两位联合创始人共同创立了 StarCloud,目标是在近地轨道(LEO)部署 AI 数据中心,以解决地面大规模数据中心面临的扩展瓶颈。 在 2024 年创业之初,这个想法常被视作天方夜谭,团队也遭遇了大量质疑。但在过去六个月里,随着航天产业对该方案的认可度飙升,这一设想正迅速获得支持。Ezra 坚信,虽然“太空数据中心”听起来像科幻小说,但这必将成为现实;未来地球轨道上将出现庞大的太空数据中心星座,彻底改变人类扩展 AI 算力基础设施的能力。 - **创立时间**:约 2024 年初(距今约两年半)。 - **核心定位**:在近地轨道(LEO)部署 AI 算力集群,突破地面扩展瓶颈。 - **行业认知转变**:从初期的巨大怀疑,到近半年内获得航天界的强力支持。 --- ### [01:46](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=106s) 地面算力受阻与太空发射成本拐点的交汇 Eoin 提到近期地面数据中心基础设施引发了广泛争议,例如缅因州通过了暂停令(后被否决)、纽约州也出台了限制政策,民间和政界都充斥着对 AI 基础设施的抵触情绪。Ezra 回应称,各县、州级出台的数据中心禁令与暂停令“仅仅只是个开始”。随着公众对 AI 技术的焦虑直接投射到实体数据中心上,在地面建设基础设施将变得愈发艰难,未来甚至可能在联邦层面遭遇阻力。 与地面困境形成鲜明对比的是,进入太空的技术与成本门槛正在急剧降低。SpaceX 的星舰(Starship)将彻底颠覆近地轨道的运力与成本结构。Ezra 强调,地面建设越来越难、太空部署越来越容易,这两条曲线必然会产生“黄金交叉点”,届时在太空中构建大规模 AI 基础设施不仅速度更快,而且在经济效益上也更为优越。 ```mermaid flowchart LR accTitle: Ground vs Space Datacenter Trends subgraph Ground["地面数据中心困境"] G1["公众抵触与政策禁令"] --> G2["许可审批繁琐"] G2 --> G3["电网接入排期漫长"] end subgraph Space["太空数据中心优势"] S1["Starship 大规模运力"] --> S2["发射成本断崖式下降"] S2 --> S3["全球光照能源充足"] end Ground --> Cross["两条趋势线交叉"] Space --> Cross Cross --> Result["太空部署更具速度与经济性"] ``` --- ### [03:32](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=212s) 地面与太空数据中心的物理架构对比 Ezra 深入剖析了地面数据中心与太空数据中心的工程架构差异。地面数据中心通常是一个巨大的“供电外壳”(Powered Shell),由高压直流/交流电输入,经由庞大的变压器组降压整流,机架置于受控温室中,末端依托巨大的 HVAC 暖通系统和冷却塔将废热直接排入大气。而在太空中,除服务器机架本身外,其余所有子系统的运作逻辑均被重塑: 1. **供电架构**:太空节点无需高压电网接入和重型变压器组,而是展开超大面积太阳能电池阵列。通过将卫星置于晨昏太阳同步轨道(Dawn-Dusk SSO),航天器几乎能 24 小时全天候处于日照之下,发电直接供给机架。 2. **散热架构**:太空中缺少可供热传导或对流的大气介质,**红外热辐射**成为排热的唯一途径。冷却液在 GPU 机架内循环吸热,随后泵送到超大面积的展开式辐射散热板(Radiator),将废热以红外光形式辐射至深空。 3. **网络互联**:无法拉设物理光纤,系统采用**星间激光链路(Optical Inter-Satellite Links)**。激光终端对准邻近的太空节点或地面站路由流量,提供超高带宽、低延迟的全球光通信网。 Ezra 指出,辐射散热器是实现太空 AI 数据中心的关键核心技术,StarCloud 目前约有一半的团队都在攻关轻量化、低成本的辐射散热板工程。 | 模块 | 地面数据中心架构 | 太空数据中心架构 | |:--- |:--- |:--- | | **电力来源** | 地面电网高压输入 + 变压器组整流降压 | 超大展开式硅太阳能电池阵列,直供机架 | | **光照可用性** | 受昼夜、天气影响,需储能或外电支撑 | 晨昏太阳同步轨道(Dawn-Dusk),近乎 24/7 全天候日照 | | **散热原理** | HVAC 空调 + 水冷/风冷冷却塔对流排热 | 内部液冷循环 + 超大面积轻量化红外辐射散热板 | | **网络互连** | 地下物理光纤管网 | 星间光学激光链路(OISL)与星地激光终端 | --- ### [06:55](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=415s) 太空数据中心的高可用性:冗余设计与原位故障容错 针对现场观众最关心的“太空无法人工运维如何保证 100% 在线时间(Uptime)”问题,Ezra 阐明了双层保障策略: - **关键子系统采用 $N+2$ 冗余**:对于电力传输与冷却循环系统(例如泵体、线路),必须具备极高的冗余度,杜绝任何单点故障导致单机失效。此设计可确保节点在 5 到 10 年的预期任务寿命内稳定运行。 - **IT 硬件采用原位容错(Fail in Place)**:太空中无法手动拔插或更换损坏的 GPU。StarCloud 采用动态工作负载调度算法,一旦某个 GPU 出现故障或处于亚健康状态,系统会直接将其下电,并将计算任务动态路由至健康核心,实现系统性能在寿命周期内的“平缓退化”(Graceful Degradation)。 --- ### [08:38](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=518s) Starship 运力革命与算力上天经济账 谈及发射成本与基础设施上天,Ezra 强调 StarCloud 几乎是“围绕 Starship 的能力量身打造的”。除星舰外,虽然 Stoke Space、Blue Origin 等公司也在研发可复用火箭,但 Starship 处于绝对核心地位。 传统像英伟达 NVL72(GB200)机架约重 1 吨,经过针对太空环境的轻量化结构优化与去重设计后,单个机架重量可降至约 300 公斤。Starship 单次发射运力超过 100 吨,加之其完全可复用架构——发射、着陆、被发射塔捕获、快速加注、当天再次发射——理论上可实现每天多次发射,将人类向轨道运送载荷的能力提升高达 10,000 倍。 - **快速部署优势**:地面数据中心常年受困于施工许可、环保抗议和漫长的电网接入等待(可达数年),而太空数据中心在实现高频发射后,可随造随发,部署周期大幅缩短。 --- ### [11:12](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=672s) 分布式超大规模星座:88,000 颗卫星构建轨道云 对于网络可用性和系统容错,Ezra 援引了 Starlink 的成功先例:当卫星星座数量达到极高密度时,服务的可靠性会呈指数级上升。StarCloud 规划的并非孤立的单颗空间站,而是由数万乃至数十万颗机架级卫星构成的分布式数据中心。 - **星座申报规模**:StarCloud 最近已提交了在晨昏太阳同步轨道部署 **88,000 颗卫星**的星座申请。 - **分布式可靠性**:通过将庞大算力分散到数万个独立运行的节点上,单点失效对整个集群的影响被稀释到微乎其微。 --- ### [12:44](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=764s) 多元算力方案之争与太空能源的终极无限性 当被问及水下数据中心(如现场参会的 Natam Marine 正在做的项目)、浮动平台、偏远地区光储及核聚变等方案时,Ezra 秉持“百花齐放”的态度,认为 AI 能源需求呈指数级爆发,人类需要尝试所有可能的解法。 但 Ezra 明确指出,太空算力是唯一具有“无限扩展性”的终极方案:地面即使部署再多可再生能源,终究会面临土地被数据中心和发电设备铺满的物理极限;而在太空中,物理空间近乎无限,太阳光更是地球上绝大部分能源的源头,具备“免费的场地与取之不尽的电力”。 关于技术溢出效应,Ezra 坦言其热辐射板必须在深空真空环境下工作,无法用于地面;供电端为了严控成本,直接采用了地面量产的廉价硅太阳能电池(每瓦约 5 美分),主动绑定地面供应链。其可反哺地面技术栈的,主要是**大规模分布式集群的故障调度与高容错管理架构**。 --- ### [16:30](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=990s) 工业化量产:首星在轨验证与西雅图十万平方英尺工厂 对话尾声,Ezra 分享了 StarCloud 务实工程文化的来源:基础设施本身是极其严肃、低调的硬科技,团队每天都在一线死磕硬件。 - **在轨现状**:StarCloud 已于去年 11 月成功发射了首颗搭载 **NVIDIA H100** 的测试卫星,这是人类迄今送入太空的最强算力 GPU;其第二颗测试卫星也将在数天内交付。 - **制造扩张**:为实现数万颗卫星的量产目标,StarCloud 借鉴了汽车流水线生产模式,即将在华盛顿州西雅图郊外的伍丁维尔(Woodinville)入驻一座占地 **100,000 平方英尺(约 9,290 平方米)**的超级制造工厂,设计产能为每天生产数颗标准化卫星节点,通过工业化规模效应彻底击穿硬件制造成本。 ## Notable quotes > [00:04](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=4s) 目标是在近地轨道(LEO)部署 AI 数据中心,以解决地面大规模数据中心面临的扩展瓶颈。 — Ezra Feilden > [00:04](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=4s) 虽然“太空数据中心”听起来像科幻小说,但这必将成为现实;未来地球轨道上将出现庞大的太空数据中心星座,彻底改变人类扩展 AI 算力基础设施的能力。 — Ezra Feilden > [01:46](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=106s) 地面建设越来越难、太空部署越来越容易,这两条曲线必然会产生“黄金交叉点”,届时在太空中构建大规模 AI 基础设施不仅速度更快,而且在经济效益上也更为优越。 — Ezra Feilden > [03:32](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=212s) 太空中缺少可供热传导或对流的大气介质,红外热辐射成为排热的唯一途径。 — Ezra Feilden > [03:32](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=212s) 辐射散热器是实现太空 AI 数据中心的关键核心技术,StarCloud 目前约有一半的团队都在攻关轻量化、低成本的辐射散热板工程。 — Ezra Feilden > [06:55](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=415s) 太空中无法手动拔插或更换损坏的 GPU。StarCloud 采用动态工作负载调度算法,一旦某个 GPU 出现故障或处于亚健康状态,系统会直接将其下电,并将计算任务动态路由至健康核心,实现系统性能在寿命周期内的“平缓退化”。 — Ezra Feilden > [08:38](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=518s) StarCloud 几乎是“围绕 Starship 的能力量身打造的”。 — Ezra Feilden > [11:12](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=672s) StarCloud 最近已提交了在晨昏太阳同步轨道部署 88,000 颗卫星的星座申请。 — Ezra Feilden > [12:44](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=764s) 太空算力是唯一具有“无限扩展性”的终极方案:地面即使部署再多可再生能源,终究会面临土地被数据中心和发电设备铺满的物理极限;而在太空中,物理空间近乎无限,太阳光更是地球上绝大部分能源的源头,具备“免费的场地与取之不尽的电力”。 — Ezra Feilden > [16:30](https://www.youtube.com/watch?v=cvmfj95Jpd0&t=990s) StarCloud 已于去年 11 月成功发射了首颗搭载 NVIDIA H100 的测试卫星,这是人类迄今送入太空的最强算力 GPU;其第二颗测试卫星也将在数天内交付。 — Ezra Feilden ## Mentioned Ezra Feilden, Eoin Higgins, StarCloud, Morning Brew, SpaceX, Starship, Stoke Space, Blue Origin, NVIDIA, NVL72, GB200, H100, Starlink, Natam Marine ## Video description Ezra Feilden - CTO, Starcloud Eoin Higgins - Senior IT Reporter, Morning Brew The next generation of hyperscale datacenters won't be built on land, but in orbit. In this fireside chat, Ezra Feilden makes the technical and economic case for deploying datacenter infrastructure in space, and why the shift may be closer than many think. Space offers a radically different set of tradeoffs in power, cooling, and scalability. Ezra will give a frank insight into the engineering challenges, launch considerations, and long-term vision behind orbital infrastructure. Join this session to understand how space-based datacenters will redefine the future of global compute. [Source](https://www.youtube.com/watch?v=cvmfj95Jpd0)

Source quotes

[0:04] Ezra Feilden: 目标是在近地轨道(LEO)部署 AI 数据中心,以解决地面大规模数据中心面临的扩展瓶颈。 [0:04] Ezra Feilden: 虽然“太空数据中心”听起来像科幻小说,但这必将成为现实;未来地球轨道上将出现庞大的太空数据中心星座,彻底改变人类扩展 AI 算力基础设施的能力。 [1:46] Ezra Feilden: 地面建设越来越难、太空部署越来越容易,这两条曲线必然会产生“黄金交叉点”,届时在太空中构建大规模 AI 基础设施不仅速度更快,而且在经济效益上也更为优越。 [3:32] Ezra Feilden: 太空中缺少可供热传导或对流的大气介质,红外热辐射成为排热的唯一途径。 [3:32] Ezra Feilden: 辐射散热器是实现太空 AI 数据中心的关键核心技术,StarCloud 目前约有一半的团队都在攻关轻量化、低成本的辐射散热板工程。 [6:55] Ezra Feilden: 太空中无法手动拔插或更换损坏的 GPU。StarCloud 采用动态工作负载调度算法,一旦某个 GPU 出现故障或处于亚健康状态,系统会直接将其下电,并将计算任务动态路由至健康核心,实现系统性能在寿命周期内的“平缓退化”。 [8:38] Ezra Feilden: StarCloud 几乎是“围绕 Starship 的能力量身打造的”。 [11:12] Ezra Feilden: StarCloud 最近已提交了在晨昏太阳同步轨道部署 88,000 颗卫星的星座申请。 [12:44] Ezra Feilden: 太空算力是唯一具有“无限扩展性”的终极方案:地面即使部署再多可再生能源,终究会面临土地被数据中心和发电设备铺满的物理极限;而在太空中,物理空间近乎无限,太阳光更是地球上绝大部分能源的源头,具备“免费的场地与取之不尽的电力”。 [16:30] Ezra Feilden: StarCloud 已于去年 11 月成功发射了首颗搭载 NVIDIA H100 的测试卫星,这是人类迄今送入太空的最强算力 GPU;其第二颗测试卫星也将在数天内交付。

Source quotes

[1:04] Ezra Feilden: wacky idea [1:46] Ezra Feilden: just the beginning [12:44] Ezra Feilden: let a thousand flowers bloom

Original transcript

[0:04] Well, thanks everybody uh for being here. Uh Ezra,  why don't we start with um can you just tell us a [0:10] little bit about who you are and then we'll kind  of get to StarCloud from there. Yeah, for sure. [0:15] Yeah, hi everyone. Uh nice to nice to be here. My  name is Ezra Fielden. I'm the co-founder and chief [0:21] technology officer of a company called StarCloud.  Um before StarCloud, I was I've been in the space [0:27] industry for about 10 years. I'm really a space  guy more than an AI guy. Um, but yeah, it's great [0:33] to be here and talk to you. Great. So, let's  talk a little bit about what StarCloud is like [0:39] like what it does and I think maybe like what you  guys are trying to do. For sure. So, [snorts] uh, [0:48] I founded StarCloud with my two co-founders about  two and a half years ago to deploy AI data centers [0:54] in space, specifically in in low Earth orbit. Um,  and the reason we are doing this is to solve for a [1:03] number of the scaling issues and bottlenecks that  you see when deploying large scale data centers on [1:09] Earth. Back in 2024 when we started this, it was  definitely a a wacky idea. Um, and we had our fair [1:16] share of skepticism. Um, but it's been great,  especially in the last six months to see this [1:21] idea really gain traction with a, you know, a huge  amount of support in the space industry now. And [1:26] um it may sound sci-fi, but I assure you it's  going to happen. We are going to see huge [1:32] constellations of space space data centers in in  Earth orbits and um and yeah, the it's going to be [1:40] uh I believe really transformative to our  ability to scale AI infrastructure. Well, [1:46] let's let's talk about that a little bit. Let's  dig into it a little bit. I mean, I think that [1:51] data centers and uh data center infrastructure has  been kind of a hot topic recently, right? Like I [1:58] live in Maine. We had a moratorum that was passed.  It was vetoed, but uh New York just had one. So, [2:05] there is a lot of like I think I think kind of  political and I guess kind of populist rhetoric [2:14] around that. And and I'm kind of curious like like  where you kind of see yourselves kind of being in [2:21] in that space. For sure. Yeah. [snorts] I think  uh the problems that we're seeing the moratoriums [2:28] and the outright um bans on uh data centers at  different in different county levels at state [2:34] level. Um I think this is just the beginning. I  think the resistance to AI is only going to grow [2:42] as people's anxieties about AI get attached to the  physical infrastructure that is the data centers. [2:48] I strongly believe it's going to get harder and  harder to build data centers on the ground um [2:52] for this reason and for for other reasons. Um and  you know in a few years time if we see a change of [2:58] government we may see push back at federal level  as well. Meanwhile, in space, it's getting easier [3:04] and easier to deploy hardware into space. SpaceX's  new Starship rocket is going to be a complete it's [3:10] going to be a complete game changer for how how  much mass we can get into orbit and how cheaply [3:14] it can be done. Um, so it's getting easier to  deploy things in space and it's getting harder [3:19] to deploy things on the ground and there's a point  at which those two lines cross over and it becomes [3:25] not only faster but more economical to to be  building large scale AI infrastructure in space. [3:32] You know, I I I I think that part of the question  is probably that data centers on the ground have [3:41] a lot of challenges. Um, how do you h how do  you see kind of putting them in space kind of [3:47] solving those? For sure. Um, I think maybe it'  be helpful to start with um comparing what a [3:56] terrestrial data center looks like compared to a  space data center. So on the ground, a terrestrial [4:01] data center for those who are not uh not familiar  will look like a large building. Um uh a shell, [4:08] what's known as a powered shell. There'll be  high voltage DC power coming in, a large bank of [4:14] transformers that step that voltage down to a um  a voltage that the chips can use and and condition [4:21] that power. There'll be the racks themselves in a  in a thermally controlled environment. Um and then [4:27] there'll be the cooling system which is a very  large essentially a very large HVAC system. Um and [4:34] on the end of that HVAC system there's a cooling  tower which dumps the waste heat from the uh from [4:40] this the infrastructure into the atmosphere. Now  in space almost all of that looks different except [4:46] for the racks. So instead of um high voltage DC  coming in we have very large deployable solar [4:53] panels. Those solar panels are positioned in the  spacecraft is positioned in in a way that means [4:58] it's uh in sunlight nearly 24/7. Um and that  greatly simplifies your power infrastructure. [5:04] You have solar panels going essentially directly  into the to rack level. Uh no um banks of high [5:10] voltage transformers. On the cooling side, this is  kind of the interesting one that people get ask a [5:17] lot of questions about. Um so rather we we don't  have the atmosphere to dump our waste heat into. [5:22] Um so that means the only way to get rid of waste  heat in space is through infrared radiation. The [5:28] way this works is we circulate coolant through  the racks. They that coolant picks up the heat [5:34] from the GPUs and distributes that heat out to  a very large deployed surface um which um which [5:42] emits infrared radiation called a radiator. So the  the radiator is is one of the core core pieces of [5:50] uh of technology which is going to enable AI data  centers and that's what StarCloud is about half [5:55] of our team is working on lightweight cheap  radiators. Um but the physics of it is is is [6:01] fairly straightforward. You just need to get that  radiator hot and then it will emit infrared. Um [6:06] but the the engineering behind that and deploying  the these large surface areas is the is the the [6:12] really interesting technical challenge. So that's  what a that's what the a space data center will [6:18] look like. Very large solar panels, racks in the  center, and then large radiators to get rid of [6:23] waste heat. And then for connectivity in space,  you you don't have a a fiber optic connectivity [6:30] in space, obviously. Um so rather than fiber,  you use um optical interatellite links, [6:36] which is essentially fiber optic, but without the  fiber. So you have a laser terminal which points [6:41] at the nearest available uh node um either on the  ground or in space that can route traffic uh and [6:48] can provide very high bandwidth connectivity in  space uh to almost anywhere on on earth. You know [6:55] I've been talking with people over like the last  24 to 36 hours here who are really interested in [7:02] orbital data centers and I think the possibility  here. But one thing they bring up to me a lot that [7:08] that I wanted to ask you about is, you know,  how do you service it, right? Because because [7:13] you want to have 100% uptime, right? But it's in  space. So, so I'm curious like like how how you [7:18] solve that problem. Yeah, it's a great question.  The there's two parts to it. So, first of all, [7:25] any of the critical subsystems, namely power and  cooling, you need to bring sufficient redundancy. [7:33] You can't have a single failure in a pump take  down the entire node, for example. Um likewise [7:38] for the power system, you can't have a single  um connection or a single element of the of the [7:43] power system take out the entire satellite. So  you have generally N plus2 redundancy on the the [7:51] power and thermal systems. Um so you have failure  tolerance there that gives you confidence a high [7:57] level of confidence that you can um offer this  service for the lifetime of the mission which [8:02] is usually between 5 and 10 years. So that's  the first piece and the second piece is the IT [8:08] hardware itself. Um so we don't have the ability  to swap out GPUs or unplug and replplug network [8:16] uh any network connections. Um and so we the  strategy then strategy there needs to be fail in [8:24] place and so we have if if an individual GPU fails  then we switch it off we reroute the workloads [8:31] dynamically around failed or suspect GPUs um and  thus we have a graceful degradation of performance [8:38] over the mission lifetime. You know, the second  thing that I've heard from people is kind of like [8:44] the like questions about the infrastructure, like  how you're going to get all of it up there. Um, [8:52] you know, these are large pieces of hardware that  you have to get into orbit and and and I guess [8:59] I'm kind of curious like like how you solve for  that problem both um infrastructurally and also [9:05] uh financially like like these are expensive  things to do, right? Yeah. Yeah. So on the on [9:10] the first piece uh launch um so Starship really  we're building StarCloud around the capability [9:19] that Starship is bringing. There are some other  reusable launch vehicles which are on the cards. A [9:24] company called Stoke Space for example um and a uh  Blue Origin is also developing a reusable rocket. [9:31] Um but Starship is really center stage and  Starship can deliver over a 100 tons to orbit per [9:38] per launch. Um a rack you say an NVL72 GB200 rack  weighs around one ton. If you strip out the if [9:47] you do perform some mass optimization um and swap  out um you know some of the heavier components for [9:55] um some lightweighted versions, you can get that  rack down to say 300 kg. So in terms of racks, [10:02] you can launch a lot of racks per per Starship  launch. And Starship is going to be launching [10:08] multiple times per day. Um it's truly going to  be a game changer. Um it's possibly 10 going to [10:16] increase our ability to put mass into orbit  by a factor of 10,000. Um and that's because [10:21] it's fully reusable. Uh and similar to a plane,  it's it launches payloads into space, it lands, [10:28] is caught by the launch tower and then uh refuels  and can launch again later that day. Um which is [10:34] a completely different paradigm to rockets today.  So you're kind of expecting like kind of a daily [10:40] launch, a daily cadence. Yeah. Um, and this is  this is really important that we're not waiting [10:46] around for months on end. Um, as one of the the  the the core advantages of space data centers [10:53] is that we can deploy quickly. We're not waiting  around for permits as you would be on the ground. [10:58] We're not um battling local opposition. We're not  waiting for a grid interconnect. And so yeah, the [11:05] one of the key differentiators is we can deploy  quickly. And that's why frequent launch is going [11:09] to be the game changer there. Now, what about lag  time? You know, like I mean obviously you want to [11:14] be up 100% of the time, but also like you know the  the I I guess I'm just kind of curious like like [11:22] how you kind of manage that. I mean obviously  we have satellites so the technology is there [11:27] but I'm I'm just kind of curious like how you kind  of solve for any possible problems on that side. [11:32] Yeah, I think um [snorts] Starlink is a is a  good example of how reliable a service can be [11:40] um when you have a a proliferated constellation  of satellites. Um and that's really one of the [11:47] key pieces is we're not just talking about a  single satellite here. We're talking about a [11:51] constellation of tens of thousands if not hundreds  of thousands of rack scale satellites that work [11:57] together to form a distributed data center. Um  and that gives you that that vastly increases your [12:05] reliability rather than having a single a single  node where lots of things can happen. Um when [12:12] you have when you can share a workload across a  large number of relatively independently operating [12:18] nodes that gives you enormous increases in in  reliability and that's one of the reasons why we [12:23] chose the the constellation architecture that we  did. Um so for example, StarCloud filed recently [12:29] for um a constellation of 88,000 satellites in um  our particular orbits which is called a dawn dusk [12:37] sun-synchronous orbit. Um so one of the reasons  for that's that such a high number is is uh this [12:43] distributed reliability increase that you get.  you know, uh, during our conversation before this, [12:50] um, we were talking about other possible data  center solutions, right? Like underwater or, [12:58] you know, like like renewable energy, putting them  out in the middle of nowhere. You said something [13:04] that I found really interesting where you kind of  like let let a thousand flowers bloom essentially [13:08] like like, you know, kind of like like whatever  it is. as someone who is, you know, trying to [13:17] push the conversation forward in in a way that's  maybe a little like orbital data centers is is is [13:23] a kind of, you know, like like like you're doing  something that's that's not I think the normal [13:32] solution to this. And so, so, so I'm curious  like how you feel about like that about all these [13:36] different solutions and if you think that they're  kind of, you know, just just a larger web or if [13:42] you feel like orbital is really the way to go or  if it's just kind of like we're just trying to I'm [13:46] just kind of curious like like your take on that.  Yeah, I think um the the energy demand for AI is [13:53] going to be is going to increase so exponentially  we need to throw everything we have at it. [13:58] Um so I'm I'm hugely supportive of underwater  data centers, floating data centers. I know um [14:04] Atam [snorts] Marine is in the room somewhere here  um who he's working on that. Um solar plus storage [14:11] in remote locations. That's great. That that faces  some some similar similar challenges to space data [14:17] centers actually when when you make things that  remote. Um nuclear absolutely fusion. Um yeah, [14:24] I think uh we need to throw everything we have  at it. But the reason why I'm so bullish on space [14:29] versus all of these other options is um I see it  as the truly scalable solution here. If you keep [14:37] on scaling out AI infrastructure on the ground,  you're going to at some point you will reach [14:41] um you we will reach a point where we've just  paved the the earth in data centers and and energy [14:46] projects to to feed them. Um space is as far as  we know infinite and the sun is the the source of [14:56] almost all energy that uh that lands on earth. Um  so by placing data centers in in somewhere where [15:02] real estate is is free and and energy is abundant  um and uh and truly scalable um that's that's why [15:10] I I'm so bullish on on space. Do you have some  hopes maybe that um any kind of technological [15:17] innovation that you have especially as far as  like energy might be transferable to other data [15:23] centers or even other parts of techstack. Um so  our radiators don't work on the ground. Um they [15:33] they need deep space to to be able to dump their  their their waste heat somewhere. Um they they [15:39] don't work in an atmosphere. Um so what we're  what we're doing on thermal management is uh [15:44] is not applicable directly to the ground. It is  applicable to any high energy application that you [15:49] have in space. So there are some very interesting  examples there um which we don't need to get into. [15:56] Um what we're doing on power likewise is um we're  doing nothing too special on the solar arrays by [16:03] by design. We're using silicon solar cells which  are you know 5 cents per watts um mass-produced. [16:10] Um you know we've been very intentional to tie  oursel to the solar the terrestrial solar supply [16:14] chain. Um I think where some where our technology  could be interesting to the ground is the way we [16:22] um handle failures um and manage um distributed  clusters. We just have a few minutes here, [16:30] but I wanted to kind of zoom out a little bit and  get maybe a little more philosophical, which is [16:34] like not only about orbital data centers and not  only about data centers entirely, but the way that [16:43] you're talking about this stuff is, I think, kind  of more logical and less hypy, right? Then yeah, [16:52] then we hear a lot about like when people are  talking about AI and talking about data centers [16:55] and and and I'm curious like how you feel about  that and kind of like how we talk about AI and [17:02] how we talk about data centers and infrastructure  in general. Yeah, I think by kind of by its nature [17:08] infrastructure is not the most hypy topic and and  space data centers ultimately are infrastructure. [17:14] I think they're very cool infrastructure, but  at their heart um it's a it's a slightly drier [17:21] topic than the applications of AI, I think,  which helps keep us keeps us grounded. Um and [17:28] then I think just the fact that we are heads down  delivering satellites and really battling all all [17:35] the problems and discovering all new all new  kinds of challenges um dayto-day. I think that [17:41] also keeps us pretty grounded. So, you know, I  uh we're about to deliver our second satellite [17:47] um um in in in a few days. We have delivered  our first satellite already, which has a H100 [17:53] on board. Um so that was that was launched in  November last year. Most powerful GPU that's [17:58] ever been sent to space by a long way. Um and uh  yeah, I think being being close to the hardware, [18:05] it's uh it keeps you pretty humble. Um, yeah.  You know, you say you have one out there, [18:11] you're about to put up your second one, but a  constellation is is is a lot more. How are you [18:17] going to kind of scale up to that? And I we only  have about a minute and a half, but I'm just kind [18:20] of curious like there. Yeah. So, um, we need to  be building these satellites as as quickly as we [18:27] build cars, you know. So, car production lines are  producing hundreds of thousands, if not millions, [18:32] um, per per year. And we're designing our  satellites um in the end state to be stamped [18:38] out like like a car is um and and mass-produced  where you can really start to capture economies [18:43] of scale versus terrestrial data centers which  are often these kind of one-off projects where [18:48] you have unique challenges each time. I think one  yeah one of the one of the besides time to time [18:55] time to to to deployment one of the key advantages  of space data centers is you have economies of [19:00] scale when you're producing so many of identical  satellites um so to do that um we are just about [19:07] to move into a very large manufacturing facility  um up in Woodenville um just outside of Seattle [19:14] um 100,000 square ft and designed to produce  multiple satellites per day. Excellent. Well, we [19:20] only have about 30 seconds left, but I just want  to give you the opportunity if there's anything [19:23] you wanted to add. No, I think uh I think you did  a great job. You covered tons of tons of good good [19:30] ground. So, thank you. Well, thanks everybody for  coming out. We really appreciate it. [applause]