Support WBURKepler Telescope Introduces Earth To A Very Distant CousinPlay03:56Download AudioGeoff BrumfielLucy PerkinsScott NeumanJuly 23, 2015 ShareArtist's concept compares Earth (left) to the new planet, called Kepler-452b, which is about 60 percent larger in diameter. (NASA/JPL-Caltech/T. Pyle)
Artist's concept compares Earth (left) to the new planet, called Kepler-452b, which is about 60 percent larger in diameter. (NASA/JPL-Caltech/T. Pyle)