NASA scientists announced the discovery of the first habitable planet outside of our solar system on Monday. Kepler-22b, a mere 600 light years away, orbits a “Sun-like” star that is 2.4 times the ...
This diagram compares our own solar system to Kepler-22, a star system containing the first “habitable zone” planet discovered by NASA’s Kepler mission. The habitable zone is the sweet spot around a ...