Scientists already know that only a tiny fraction of the 200 to 400 billion stars in our galaxy seem to have what it takes to support life on orbiting planets. Now researchers think they know where such potential habitable stars—or "habstars"—hang in the sky. Margaret Turnbull, of the Carnegie Institution in Washington, D.C., recently released her list of top five potential habstars in our galaxy, three of which can be seen from Earth with the naked eye..........
National Geographic News
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