Pretty cool stuff.
NASA Finds Closest Earth Twin Yet in Haul of 500 Alien Planets
http://www.space.com/30026-earth-twin-kepler-452b-exoplanet-discovery.html
NASA Finds Closest Earth Twin Yet in Haul of 500 Alien Planets
http://www.space.com/30026-earth-twin-kepler-452b-exoplanet-discovery.html