Sure, but why would they also not leave any trace on the moon? | Hacker News

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		nurettin on Jan 1, 2019 \| parent \| context \| favorite \| on: A fifth of Earth’s geologic history might have van... Sure, but why would they also not leave any trace on the moon?

ajmurmann on Jan 1, 2019 [–]

All we have left is a flag and some comparatively tiny equipment. If they had left the same would we have found it yet?

nurettin on Jan 1, 2019 | [–]

Are we an advanced civilization?

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