Meet Earth 2.0: Kepler 452b revealed as most similar planet to our own ever found with a 'substantial opportunity' for life
This artist's concept depicts one possible appearance of the planet Kepler-452b, the first near-Earth-size world to be found in the habitable zone of star that is similar to our sun. The habitable zone is a region around a star where temperatures are right for water - an essential ingredient for life as we know it - to pool on the surface