Vlad Saigau
@VladSaigau · Dec 17, 2025
Debunking the Cooling Constraint for Space Data Centers ❄️🛰️
We tackled one of the most persistent objections to orbital compute: “How do you cool data centers in space?”
Using first-principles and Starlink V3 scaling (20kW > 100kW) as a reference, we show the cooling problem is
Elon Musk
@elonmusk
SpaceX has over 9000 satellites orbiting Earth right now, which is twice as many as the rest of the world combined.
So maybe we know a thing or two about the subject …
06:17 AM · December 18, 2025 · 499.6K views
669
702
15.4K