Analysis by Ray Villard
Thu Apr 26, 2012 01:53 PM ET
There are 10 billion stars in the Milky Way galaxy that are the same size as our sun. Therefore it should come as no surprise that astronomers have identified a clone to our sun lying only 200 light-years away.
Still, it is fascinating to imagine a yellow dwarf that is exactly the same mass, temperature and chemical composition as our nearest star. In a recent paper reporting on observations of the star -- called HP 56948 -- astronomer Jorge Melendez of the University of San Paulo, Brazil, calls it "the best solar twin known to date."
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