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主題: Astronomers have just spotted for the first time a huge cloud of cold hydrogen g 作者: peter 於 2025-07-11 12:02:57 Astronomers have just spotted for the first time a huge cloud of cold hydrogen gas just 300 light-years from Earth
https://skyandtelescope.org/astronomy-news/giant-gas-cloud-discovered-300-light-years-from-earth/ |