Blue moons? Kepler-22b offers NASA habitable world hopes



Source:  Dan Vergano, USA TODAY


Excerpt: …some solace comes from the Kepler space telescope team's estimate that just in our Milky Way galaxy alone, some 500 million planets likely orbit inside their star's habitable zone. "We have many candidates in that region," said Kepler principal scientist William Borucki of NASA's Ames Research Center in Moffett Field, Calif., at a briefing unveiling Kepler-22b to his colleagues earlier this month. At his briefing, Borucki showed a chart depicting more than 50 possible habitable zone planets, …

www.usatoday.com/tech/science/columnist/vergano/story/2011-12-18/kepler-habitable-planets/52031444/1

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