# Greetings, Earthlings: Philip Johnston of Starcloud on Data Centers in Space

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Text version: https://stenobird.com/podcast/training-data/greetings-earthlings-philip-johnston-of-starcloud-on-data-centers-in-space.md
Podcast: [Training Data](https://stenobird.com/podcast/training-data)
Published: 2026-03-17T09:00:00+00:00
Episode link: https://pscrb.fm/rss/p/traffic.megaphone.fm/CPUAI3959632960.mp3
Audio file: https://pscrb.fm/rss/p/traffic.megaphone.fm/CPUAI3959632960.mp3
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JSON: https://stenobird.com/v1/public/podcasts/training-data/episodes/greetings-earthlings-philip-johnston-of-starcloud-on-data-centers-in-space
Duration seconds: 2659

## Resource

Philip Johnston, founder and CEO of Starcloud, explains why space will become the primary location for AI compute infrastructure within the next decade. After witnessing SpaceX's massive manufacturing scale at Starbase, Philip realized that declining launch costs would make space-based data centers cheaper than terrestrial ones. He breaks down the physics of heat dissipation in vacuum, the economics of solar power without atmosphere, and why the marginal cost of space infrastructure decreases while Earth-based costs increase. Philip previews a future where close to a trillion dollars per year in CapEx flows to space compute. And, yes, we get his take on aliens. Hosted by: Sonya Huang and Pat Grady, Sequoia Capital.

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## Transcript

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