The Week in Pictures: March 9–15, 2013
March 15, 2013
In the past seven days, astronomers found a pair of stars that has taken over the title for the third-closed star system to the Sun, Curiosity's Mars drilling sample revealed key chemical ingredients for life, scientists discovered an extremely rare triple quasar system, and more.
March 9–15, 2013
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Closest star system found in a century
Both stars in the new binary system are brown dwarfs, resembling giant planets like Jupiter more than bright stars like the Sun. Learn more »