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February 19, 2006

US ASTRONOMER PICKS STARS IN ALIEN SEARCH
A US astronomer from the Carnegie Insititution has chosen five stars she thinks are the most inhabitable out of 17,000 contenders. The information has been given to SETI to help narrow down where to point their satellites. The criteria included such aspects as age (the star had to be at least 3 billion years old) and iron content (at least 50% the amount of our own sun). The five finalists:
"Beta CVn: a Sun-like star 26 light-years away in the constellation Canes Venatici
"HD 10307: has almost the same mass, temperature and iron content of the Sun
"HD 211 415: has about half the metal content of the Sun and is a bit cooler
"18 Sco: a near match for the Sun in the constellation Scorpio
"51 Pegasus: a Jupiter-like planet has been found here; may also host planets like Earth"
-BBC News: Top stars picked in alien search

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All Content Copyright (C) Nick Carr 2005, 2006.