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Decoding Orbital Data Centers
 Editor's note: This is the first of three feature articles Ars is publishing to explore the financial, technical, and competitive dimensions of orbital data centers. Although the idea of putting data centers into space has long been discussed on a theoretical basis, the technology has rapidly become a red-hot topic.
This series will attempt to ground-truth some of the rhetoric flying around. This first installment takes a look at the core economic argument surrounding orbital datacenters; subsequent articles will explore detailed cost modeling at scale, the technical challenges involved, and the landscape of competitors.
Read the full Article <HERE> |
Why Orbital Data Centers Are Harder Than Silicon Valley Thinks
Shedding heat will require ingenious new designs
 “Space computing, the final frontier, has arrived,” Nvidia CEO Jensen Huang declared at the Nvidia GTC conference in March. Indeed, the idea of data centers in orbit has gone from science fiction to a serious spending category. Elon Musk’s SpaceX has acquired xAI (also Musk’s) and is planning a constellation of space-based data centers. Google, not to be outdone, announced Project Suncatcher in partnership with Planet, planning to launch two satellites equipped with Google Tensor Processing Unit (TPU) AI chips by early 2027. Startup Starcloud has already filed a proposal with the Federal Communications Commission for an 88,000-satellite constellation for orbital data centers. As Starcloud’s filing suggests, these companies are all proposing fleets of satellites numbering in the thousands, each housing a rack or multiple racks of AI-grade GPUs, interconnected with each other through free-space optical links and communicating back to Earth via microwave links, either directly or through other satellites. <More> Read the full Article <HERE> |
