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Report: Google and SpaceX in talks to put data centers into orbit
(techcrunch.com)
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this post was submitted on 13 May 2026
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The ones that power spacecraft generate less than 5000W of heat at max power (while producing 300W of usable electricity).
In order to power a single server rack of 72 Blackwell GPUs, which takes about 130,000 watts, you'd need about 430 of those RTGs, and need to manage cooling requirements of 430 times as much (plus however much additional power will be required by the cooling system itself, too).