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Google says it launched a test satellite with four TPUs for Project Suncatcher

Google says Project Suncatcher is a moonshot testing whether machine learning infrastructure could one day run in space, including whether its TPU hardware can keep working through radiation, thermal extremes, and other orbital hazards.

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An infographic against a black background depicting the Earth below states that a rocket trip to low Earth orbit takes about 10 minutes, exposing spacecraft carrying TPUs to acceleration loads up to 10x gravity, and individual TPU chips to forces up to 50–100 g.

TLDR

Google says it sent a test satellite carrying four TPUs into orbit last week as part of Project Suncatcher, a moonshot exploring whether machine learning infrastructure could one day be hosted in space. Based on Google’s posts, the mission is an early hardware test focused on whether its TPU systems can operate in orbit and withstand radiation, thermal extremes, cosmic rays, solar events, and related bitflip errors.

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Google says it launched a test satellite with four TPUs for Project Suncatcher

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