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A prototype satellite for Project Suncatcher, built in partnership with Planet, launched aboard SpaceX’s Transporter-18 rideshare; mission operators have confirmed contact and normal operation. The mission will collect in-orbit data on how TPUs withstand spaceflight stresses, and a peer-reviewed paper describing the research is published in Joule.
Google will launch a prototype satellite for Project Suncatcher on SpaceX’s Transporter‑18 rideshare to collect in‑orbit data on how its Trillium TPUs handle launch vibration, radiation, thermal vacuum, and cooling. Ground tests (vibration, thermal vacuum, and proton‑beam radiation tests at UC Davis) showed promising resilience, and the mission will inform designs for cooling, radiation mitigation, and high‑bandwidth laser links ahead of a planned 2027 two‑satellite test.
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