This entry was posted in Uncategorized and tagged A light year is about 6 trillion miles (10 trillion km), circling a star 600 light years away, constellations Cygnus and Lyra, Kepler 22-b, more than 500 planets found to orbit stars beyond our solar system., most Earth-like planet ever discovered, NASA's Kepler Space Telescope, SETI or Search for Extraterrestrial, weehingthong. Bookmark the permalink.