Google launched a prototype satellite equipped with four Tensor Processing Units to test running artificial intelligence models directly from orbit. During a ground-station pass over Svalbard, Norway, the team uplinked prompts to an onboard Gemma 4 model, which successfully downlinked generated poetry and operational telemetry. Project Suncatcher seeks to harness solar power in space to curb Earth-bound resource usage. Further testing will observe how the orbital hardware survives harsh operating conditions over time.
Key points
Project Suncatcher explores space-based, solar-powered data centers to reduce reliance on…: Project Suncatcher explores space-based, solar-powered data centers to reduce reliance on terrestrial electricity and land.
Future orbital tests will focus on determining how TPUs withstand radiation exposure and…: Future orbital tests will focus on determining how TPUs withstand radiation exposure and extreme thermal stress.
Google aims to advance this orbital computing initiative by launching twin interconnected…: Google aims to advance this orbital computing initiative by launching twin interconnected satellites in 2027.
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Google’s Project Suncatcher has achieved its first AI response from a data center-class TPU launched in orbit earlier this month. Sharing the milestone on X (formerly Twitter), CEO
Sundar Pichai wrote: “A ‘hello world’ milestone for Project Suncatcher 🚀”. “After launching our prototype satellite a few weeks ago, we’ve now successfully sent a command up to orbit, booted up the TPU, ran the prompt, and received our first complete response back on earth - a haiku!,” Pichai added. For those unaware, Google’s Project Suncatcher is a research project that aims to build AI data centres in space using networks of solar-powered satellites equipped with Google’s custom Tensor Processing Units (TPUs). The idea is to use the Sun’s energy to power AI computing in orbit, potentially reducing the need for land and electricity resources on Earth.
Google Project Suncatcher achieves its first milestone
In early October, Google sent four TPUs into orbit to test whether AI hardware could operate in space. “The initial goal was to see if our chips could turn on, process a prompt, and transmit a response back…
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