科学与环境
Europe's Hera spacecraft begins close inspections of an asteroid rammed by NASA in a 2022 test
来源: Phys.org - latest science and technology news stories · 发布于
A European spacecraft has begun close inspections of an asteroid rammed by NASA four years ago in a planetary defense test.
A European spacecraft has begun close inspections of an asteroid rammed by NASA four years ago in a planetary defense test.
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