Closest planet
Photo Credit: NASA, ESA, G.F. Benedict (University of Texas, Austin)

 
Epsilon Eridani b orbits an orange Sun-like star only 10.5 light years away from Earth. It is so close to us telescopes might soon be able to photograph it. It orbits too far away from its star to support liquid water or life as we know it, but scientists predict there are other stars in the system that might be good candidates for alien life.
Number 8: Free Floaters
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