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The archaeology of the stars

The archaeology of the stars Four years ago, Anna Frebel, a young astronomer at the Massachusetts Institute of Technology, found an ancient star in a neighboring galaxy whose chemical composition proved nearly identical to some unusual stars on the outskirts of our own galaxy, which are older than the Milky Way itself. It was a striking discovery, suggesting that the... 
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Added February 24, 2014
from The Punch News