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Earthlings Share a Nice Neighborhood Friday, August 08, 2008 - Anuradha Menon Home >> Headlines >> Space   
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We don't have spacecraft to take us outside our solar system-not yet, at least. Still, astronomers thought they had a pretty good understanding of how our solar system formed and in turn, how others formed. In the last dozen years, nearly 300 exoplanets have been discovered. Are the solar systems in which they reside indeed like our own? Without knowledge or observations to the contrary, conventional knowledge said yes. Three Northwestern University researchers questioned that assumption. (source: nsf.gov)
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