Earth as an exoplanet

General physics and astronomy discussions not directly related to Celestia
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Earth as an exoplanet

Post #1by john71 » 29.08.2019, 09:41

This is how aliens could see Earth...

Joey P. M
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Post #2by Joey P. » 07.10.2019, 21:20

Some astrophysics think that our Solar System is weird due to the fact that it does not have a super-Earth (Planet Nine may well be one, but it is most likely an ice giant or super-Neptune with a recent paper suggesting it may be a primordial black hole).
Joey P.

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