Google Tests AI Data Centers in Space with Project Suncatcher Launch

Google is testing whether AI data centers can operate in space as part of its Project Suncatcher initiative. The company will launch its first test satellite on a SpaceX Falcon 9 rocket to see how Google's tensor processing units (TPUs) perform in orbit.

The prototype spacecraft, which is set to lift off on Thursday from Vandenberg Space Force Base in California, is designed to withstand the harsh environment of space, including radiation and extreme temperatures. The satellite will test a combination of radiators and heat pipes to dissipate heat, but it won't be able to operate continuously without shutting down every 20 minutes.

Google's senior director of paradigms of intelligence, Travis Beals, said the first launch is about identifying points of failure and applying those findings to future missions. The company intends to continue its research in 2027 by sending up two additional satellites.

The idea of sending data centers to space has been proposed as a way to sidestep local resentment against AI-computing facilities on Earth. However, the technological challenges are significant, including radiation damage and heat management. The cost-effectiveness of orbital data centers is also uncertain, with launch costs expected to rise in the future.

Google's partner for the project, Planet Labs, has indicated a commitment to exploring the technology long-term. Will Marshall, Planet Labs' cofounder and CEO, said he believes it's a 'very viable project' that will require significant research and development dollars.