Kepler-186f: NASA discovers first Earth-sized planet orbiting in life-friendly zone
Thu Apr 17 21:37:16 2014 - permalink -

- http://www.rawstory.com/rs/2014/04/17/kepler-186f-nasa-discovers-first-earth-sized-planet-orbiting-in-life-friendly-zone/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+TheRawStory+%28The+Raw+Story%29