NASA said its Kepler spacecraft has spotted “Earth’s bigger, older cousin”: the first nearly Earth-size planet to be found in a “habitable zone.”
NASA discovers Earth-like planet in ‘habitable zone’
Jul 24, 2015 | 10:30 AM
NASA said its Kepler spacecraft has spotted “Earth’s bigger, older cousin”: the first nearly Earth-size planet to be found in a “habitable zone.”