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Q&A If a space ship entered Earth orbit, how likely is it to be seen?

Mostly what it says on the tin. If a spaceship, let's say about 200 meters long and 100 meters wide (made of modern materials) was approaching Earth and slowing down (say from 100 km/s to 3km/s), h...

4 answers  ·  posted 5y ago by Aetherfox‭  ·  last activity 4y ago by Aetherfox‭

Question space spaceships ships detection