Google Sails Four AI Chips Into Orbit for Space-Based Computing Experiment

Google is launching four AI chips into orbit as part of its MVP (Mission to Validate) project, which aims to test the feasibility of space-based computing. The mission will be aboard a Planet satellite that will lift off from Vandenberg Space Force Base on October 1, 2026, using a SpaceX Falcon 9 rocket.

The four TPUs (Tensor Processing Units), Google's specialized AI chips, have a combined computing capacity roughly equivalent to one data-center server. They will be powered by the satellite's solar panels, which are expected to generate about one kilowatt of power.

The primary challenge for these chips is heat management, as space has no air, and convective cooling is not possible. Google routes heat through thermal-interface materials, aluminum and copper layers, and out through a radiator panel that releases it into the void.

Radiation is another concern, as high-energy particles can flip individual bits in memory, corrupting calculations or disrupting software. Google has tested its TPUs at the Crocker Nuclear Laboratory at UC Davis to simulate orbital radiation exposure, but real-world conditions will determine whether those results hold.