Astronomers find first evidence for an Exomoon
Astronomers find first compelling evidence for a Moon, an exomoon, outside our solar system.
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Neptune-Sized Moon in a Distant Solar System discovered
An ‘exomoon’ that is almost three times the size of Earth orbiting a Jupiter-sized planet, discovered outside our Solar System.
Liquid Water on Moons of free-floating Exoplanets
The moons of rogue exoplanets that don’t have stars could have water and be a good place to find life.