Why Space is a Terrible Place to Cool a Data Center
CrankyBear · hn · 2026-08-13
As demand for compute surges, deploying AI data centers to orbital space is seen as a futuristic concept. However, this article points out that space is actually an extremely poor environment for cooling.
Due to the lack of air convection in a vacuum, heat can only dissipate slowly through thermal radiation, making data centers face far more severe cooling challenges than on Earth. The piece analyzes the fatal flaws of orbital data centers regarding heat dissipation efficiency from thermodynamic and engineering perspectives.
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