August 21, 2012Gliese 581g Is Perfect for Life, If Planet Exists
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![]() AP Photo What ever happened to the Goldilocks planet? It was big news back in September 2010 when a group led by Steven S. Vogt of the University of California, Santa Cruz, and R. Paul Butler of the Carnegie Institution for Science said they had discovered a small planet circling a small red star in the constellation Libra, at a distance smack in the middle of the so-called Goldilocks zone — that “just right” region where water on the surface is possible. TAGGED: extraterrestrial life, exoplanet, gliese 581g | |