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The Milky Way fills the night sky over Chile's Cerro Paranal, home to the European Southern Observatory's Very Large Telescope (VLT).
September 4, 2013 Astronomers have found younger and older twins to our sun, giving us a peek at our mother-star's past and future. Physicist Marcelo Gleiser says it's hard not to wonder what kind of life an older solar system might harbor and how similar, or different, it would be from us.
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