[2908] Moon Armor Index
Title Text:Astronomers are a little unsure of the applicability of this index, but NASA’s Planetary Protection Officer is all in favor. Origin:https://xkcd.com/2908/ https://www.explainxkcd.com/wiki/index.php/2908:_Moon_Armor_Index 卫星护甲指数 虽然天文学家们对这个指数是否适用持怀疑态度,但NASA的行星保护官则对这个概念非常赞成。 注1:萨拉西亚星(Salacia)、妊神星(Haumea)、奎奥厄星(Quaoar)、共工星(Gonggong)都是柯伊伯带的小型天体,它们都有卫星。 注2:卡戎(Char… Read more
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