Τετάρτη 28 Αυγούστου 2013

Oldest Sun-Like Star Previews Sun's Fate

Astronomers have found a twin star to Earth's own sun, only much older. The rare star is the oldest known "solar twin," and offers a peek at what Earth's star will look like in 4 billion years.



via LiveScience.com http://www.livescience.com/39249-oldest-sun-twin-discovered.html

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