Nasa, scoperto pianeta ‘gemello’ della Terra

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. ANSA/ NASA/JPL-Caltech/T. Pyle +++"ANSA PROVIDES ACCESS TO THIS HANDOUT PHOTO TO BE USED SOLELY TO ILLUSTRATE NEWS REPORTING OR COMMENTARY ON THE FACTS OR EVENTS DEPICTED IN THIS IMAGE; NO ARCHIVING; NO LICENSING"+++