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FreeSpirit1 · F
The size of the universe and how people still believe Aliens have visited earth.
I think the closest visible star besides the sun is 4.2 light years away, meaning if you could travel at the speed of light in a machine(impossible) it would take over 4 years to get to earth from that star. Most stars are thousands and millions of light years away.
I think the closest visible star besides the sun is 4.2 light years away, meaning if you could travel at the speed of light in a machine(impossible) it would take over 4 years to get to earth from that star. Most stars are thousands and millions of light years away.