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Ask Science@lemmy.worldEnglish · 4 months ago

How large would a city/base on the moon have to be in order to be visible with the unaided human eye from earth?

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How large would a city/base on the moon have to be in order to be visible with the unaided human eye from earth?

murmelade@lemmy.ml to

Ask Science@lemmy.worldEnglish · 4 months ago

Let’s say the roofs are all red, how big does it have to be to be visible as a little red dot?

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