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標題: 'Alien Earth' is among eight new far-off planets [打印本頁]

作者: kao1306 時間: 2015-1-7 09:21
標題: 'Alien Earth' is among eight new far-off planets

[size=1.077em]Among eight new planets they have spied in distant solar systems, astronomers say one in particular has usurped the title of "most Earth-like alien world".

[size=1.077em]All eight were picked out by Nasa's Kepler space telescope, taking its tally of such "exoplanets" past 1,000.

[size=1.077em]But only three sit safely within the "habitable zone" of their host star - and one in particular is rocky, like Earth, as well as only slightly warmer.

http://www.bbc.com/news/science-environment-30705517

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