ethan siegel

Page 3.14

Tag archives for ethan siegel

Swiss astronomers recently discovered the small exoplanet, Gliese 581 e, calculated to have a minium mass less than twice that of our own dear planet. This planet resides within the same solar system as Gliese 581 d, which scientists speculate could be capable of supporting life. “With a minimum age of these planets of 7…