Thursday, 29 January 2015

Astronomers Discover Ancient System with Five Small Planets

Kepler-444 Planetary System



The star system Kepler-444 is the oldest known to host terrestrial-sized planets.










from News and Features - NASA's Jet Propulsion Laboratory http://ift.tt/1wEyuVJ

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NASA’s Swift Mission Ends, Leaves Behind Scientific Bonanza

4 min read NASA’s Swift Mission Ends, Leaves Behind Scientific Bonanza NASA’s Neil Gehrels Swift Observatory has ended its science mission ...