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$RKLB partner Starcloud is building data centers in orbit & about to launch $NVDA H100s into space for the first time in a few weeks 👀

Shay Boloor

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138,220 次观看 • 10 个月前 •via X (Twitter)

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Fun to speak about data centers in space and Starcloud at @Sequoia’s AI day a few weeks ago. Thanks for having me! 🤓

Fun to speak about data centers in space and Starcloud at @Sequoia’s AI day a few weeks ago. Thanks for having me! 🤓

Philip Johnston

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Philip Johnston (Philip Johnston) is the co-founder and CEO of Starcloud, the company building data centers in space. In November 2025, Starcloud launched an Nvidia H100 GPU into orbit and trained the first large language model in space. They've since raised $200 million, hit a billion-dollar valuation just 17 months after YC demo day and filed with the FCC to deploy 88,000 more satellites. In this episode of Lightcone Podcast, Philip walks us through their wild origin story, the engineering challenges behind the Starcloud-1, why they booked a SpaceX launch before they even knew what they were building and how data centers in space make sense both economically and politically. 00:39 — Why Build Data Centers in Space? 01:40 — The Insight That Started Starcloud 04:43 — Launching Starcloud-1 09:45 — The Engineering Behind Data Centers in Orbit 13:49 — Why 100 VCs Said No 16:12 — Book the Launch Before You Build the Product 18:32 — The Roadmap to Commercial Space Compute 21:10 — Building NVIDIA GPUs for Space 23:41 — Raising $170M for a Hard Tech Startup 26:37 — Hiring the World's Best Space Engineers 31:25 — Why AI Compute Is Moving to Space 34:49 — Advice for Hard Tech Founders

Philip Johnston (Philip Johnston) is the co-founder and CEO of Starcloud, the company building data centers in space. In November 2025, Starcloud launched an Nvidia H100 GPU into orbit and trained the first large language model in space. They've since raised $200 million, hit a billion-dollar valuation just 17 months after YC demo day and filed with the FCC to deploy 88,000 more satellites. In this episode of Lightcone Podcast, Philip walks us through their wild origin story, the engineering challenges behind the Starcloud-1, why they booked a SpaceX launch before they even knew what they were building and how data centers in space make sense both economically and politically. 00:39 — Why Build Data Centers in Space? 01:40 — The Insight That Started Starcloud 04:43 — Launching Starcloud-1 09:45 — The Engineering Behind Data Centers in Orbit 13:49 — Why 100 VCs Said No 16:12 — Book the Launch Before You Build the Product 18:32 — The Roadmap to Commercial Space Compute 21:10 — Building NVIDIA GPUs for Space 23:41 — Raising $170M for a Hard Tech Startup 26:37 — Hiring the World's Best Space Engineers 31:25 — Why AI Compute Is Moving to Space 34:49 — Advice for Hard Tech Founders

Y Combinator

167,992 次观看 • 9 天前

Starcloud (starcloud_inc1) recently made history by launching a satellite with an NVIDIA H100 into orbit — the first time a GPU that powerful has ever operated in space. It's the first step toward building AI data centers in orbit, powered by continuous sunlight and cooled by radiating heat into deep space. Their approach could one day rival the world's biggest data centers while using less energy, zero fresh water, and far lower emissions. YC's Aaron Epstein visited Starcloud's HQ, where co-founders , Ezra Feilden, and Adrian Andrei Oltean explained how they built a working prototype in just 15 months — and why big tech is racing to space for AI compute.

Starcloud (starcloud_inc1) recently made history by launching a satellite with an NVIDIA H100 into orbit — the first time a GPU that powerful has ever operated in space. It's the first step toward building AI data centers in orbit, powered by continuous sunlight and cooled by radiating heat into deep space. Their approach could one day rival the world's biggest data centers while using less energy, zero fresh water, and far lower emissions. YC's Aaron Epstein visited Starcloud's HQ, where co-founders , Ezra Feilden, and Adrian Andrei Oltean explained how they built a working prototype in just 15 months — and why big tech is racing to space for AI compute.

Y Combinator

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In the SpaceX IPO debate, StarCloud CEO Philip Johnston responds to Tim Farrar’s doubts on performance and space data centers. “To say that SpaceX is doing data centers in space for the story because it's worried about missing its numbers… was the dumbest thing I'd heard all in a quite a long time.” Full episode:

In the SpaceX IPO debate, StarCloud CEO Philip Johnston responds to Tim Farrar’s doubts on performance and space data centers. “To say that SpaceX is doing data centers in space for the story because it's worried about missing its numbers… was the dumbest thing I'd heard all in a quite a long time.” Full episode:

The Information

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Why Would We Need Data Centers in Space? I interviewed co-founder and CEO of Starcloud, Philip Johnston to learn exactly why even if AI is a bubble, data centers in space would still prosper. Philip Johnston

Why Would We Need Data Centers in Space? I interviewed co-founder and CEO of Starcloud, Philip Johnston to learn exactly why even if AI is a bubble, data centers in space would still prosper. Philip Johnston

Ellie in Space 🚀💫

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BREAKING: X is about to launch stock market & crypto trading in the next few weeks 🥳👀 Anyone looking for a man in finance? 😜

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Financelot

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$NVDA CEO Jensen Huang confirmed Vera Rubin is heading to space while saying Earth will still carry most data centers & energy demand “for some time to come.” He sees no physical limit to space-based data centers but says the technical challenges still need to be solved first.

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Shay Boloor

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From putting AI data centers in orbit to colonizing Mars, how can ambitious space dreams become a reality? I sat down with space architect Ariel Ekblaw of Aurelia Institute to hear about the technology she is building to make it all possible:

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For those who say I never answer whatever is their particular pet peeve on orbital data centers, this is a particularly dense interview covering a wide range of topics in a short time. Thanks for having me SpaceNews to talk about Starcloud and orbital data centers! 🤓

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Starcloud CEO Philip Johnston joins Mo Islam and I at the NYSE. "In order to make data centers in space work, you really need the BOM costs for a 200 kW satellite to be on the order of 1 million dollars." We chat: - Building low cost sats - 20 yr terrestrial vs. 5 yr space - Merge with a launch company? - Does Starcloud exist if Earth's bottlenecks vanish? - Better leader: Altman or Dario - Building sats cheaper than Starlink - GPU failure rate

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$RKLB: This morning on Bloomberg, Peter Beck discussed the SpaceX IPO, the race to raise capital in the space industry and the potential timeline for data centers in space with Bloomberg.

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Space Investor

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The difference between a Harvard Business School student and a Founder. HBS STUDENT: Lists all the reasons AI Space Compute is hard. FOUNDER: “ I don't disagree with you that building data centers in space is hard. Building data centers in space is extremely hard. . . If you think [demand] is going to double in the next three years - demand for energy from just data centers - and then double in the next three years after that, and then double in the next three years after that, then: We don’t have a choice. We literally have to put data centers in space. So we have to figure this stuff out.” Philip Johnston Starcloud Founders solve problems. Founders KNOW it will be HARD and do it anyway because it simply NEEDS TO BE DONE. That is founder mindset - and that mindset is what Harvard Business School can’t teach.

The difference between a Harvard Business School student and a Founder. HBS STUDENT: Lists all the reasons AI Space Compute is hard. FOUNDER: “ I don't disagree with you that building data centers in space is hard. Building data centers in space is extremely hard. . . If you think [demand] is going to double in the next three years - demand for energy from just data centers - and then double in the next three years after that, and then double in the next three years after that, then: We don’t have a choice. We literally have to put data centers in space. So we have to figure this stuff out.” Philip Johnston Starcloud Founders solve problems. Founders KNOW it will be HARD and do it anyway because it simply NEEDS TO BE DONE. That is founder mindset - and that mindset is what Harvard Business School can’t teach.

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Access to space is solved. Impulse is building the highways to everywhere else in the solar system. Follow us into orbit:

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Mario Nawfal

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DogeDesigner

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