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Complexity Digest 2003.35 - 14
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01-Sep-2003

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Water Worlds Make A Splash As The Best Hope For Alien Life, Nature
 









Excerpts: researchers think that real water worlds - Earth-sized planets
predominantly covered by oceans - are more likely than land-covered planets to
host life. 
Simple assumptions about the likely distribution of planets in the Milky Way
suggest that many water worlds exist in our Galaxy, but elude existing methods
of detection. "There could be as many as one billion stellar systems with
potentially habitable zones," says Siegfried Franck, a geophysicist at the
Potsdam Institute for Climate Impact Research

(...) locate the 'habitable zone' of 47 UMa, a Sun-like star some 45 light years
away.
Source: Water Worlds Make A Splash As The Best Hope For Alien Life[
http://www.nature.com/cgi-taf/DynaPage.taf?file=/nature/journal/v424/n6951/full/424866b_fs.html
], Quirin Schiermeier, DOI: 10.1038/424866b, Nature 424, 866, 21 August 2003

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