Google Project Suncatcher 原型卫星在轨运行 Gemma 4 并传回一首俳句

🛰️ A computer chip in space just sent a poem back to Earth. Google’s Project Suncatcher prototype ran its Gemma 4 AI model onboard a specialized chip and transmitted a haiku back to engineers. The goal is to explore whether satellites could power AI data centers using nearly continuous sunlight. But space creates major engineering challenges, including radiation and cooling electronics without air. Next come tests of heat and radiation, with two interconnected satellites planned for 2027. The poem demonstrates that the hardware can run a model in orbit, but reliable AI infrastructure in space will require much more than one response.

AI 导读

Google 的 Project Suncatcher 原型卫星在轨用 TPU 运行 Gemma 4，卫星飞越挪威上空时把生成的一首太空俳句传回地面，Google 称这是首次来自轨道数据中心 TPU 的 AI 响应。该项目旨在探索用近乎持续的阳光为轨道 AI 数据中心供电，但太空散热需靠辐射器、辐射也会干扰电子设备。下一步将测试热与辐射，两颗互联卫星计划于 2027 年发射。

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正文 · 原文

以下是视频口播的自动转写，可能有错字。

So, there's a computer chip in this satellite in space that just sent a poem back to earth. The chip is actually on board a prototype satellite for project sun catcher, which is google's experiment to eventually power ai data centers in orbit.

Engineers sent a prompt to gemma 4, an ai model running on board a tensor processing unit, or tpu for short, which is a specialized chip designed for machine learning.

And the first thing they asked it was to write a haiku about being in space. As the satellite passed over norway, it transmitted the poem back to earth.

Google says this marks the first ai response from a data center tpu in orbit. But the bigger goal for google is to use the sun to actually power ai data centers.

See, in the right orbit, satellites can collect solar energy almost continuously without clouds or long nights interrupting the supply.

But there's also a pretty big counterintuitive problem. Cooling computers in space is difficult, and that's simply because there's no air to carry the heat away.

So engineers need radiators to release that energy into space, and radiation can also disrupt the electronics. The next test will examine heat and radiation ahead of two interconnected satellites planned for 2027.

All in all, writing a poem demonstrates that the hardware can run a model in orbit, but making it work reliably is the much bigger test ahead.

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