
Giant object could be an 'exomoon' more than twice the size of Earth
CNN
Astronomers have discovered what may be a giant moon orbiting a Jupiter-size planet located 5,500 light-years from Earth. The moon is 2.6 times the size of Earth and is only the second candidate for what scientists call an exomoon, or a moon outside of our solar system.
It's only the second space object discovered that may be an exomoon, or a moon outside of our solar system. The giant moon was found orbiting a Jupiter-size planet called Kepler 1708b, located 5,500 light-years from Earth.
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