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Search Unearths Plethora of Earth-Mass Planets

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orangemilk 发表于 2010-11-6 20:29 | 显示全部楼层 |阅读模式 来自: 中国–北京–北京 鹏博士BGP

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If there's a line in Vegas on the odds of life on another planet, now might be a good time to place a wager. A study in the journal Science examined 166 Sun-sized stars and found nearly one in four had rocky, earth-sized planets in close, earth-like orbits. The finding might chart a new course for extrasolar planet research.

Most planet-formation models predict a “planet desert” within one astronomical unit (or the average distance from the Earth to the Sun) of a host star. Gaseous planets like Jupiter or Saturn, which form much farther away, on the cold side of what’s called the “ice line,” are thought to be more common.

But a team of researchers at Hawaii's Keck observatory cast their eyes on stars similar to our Sun. Twenty-three percent of those stars had small, rocky planets orbiting right in the range where the predicted “planet desert” should be. [Andrew Howard et al, The Occurrence and Mass Distribution of Close-in Super-Earths, Neptunes, and Jupiters]

The researchers say their discovery calls for substantial revisions to current astronomical models. It also makes the possibility of life on some similar planet spinning a similar, habitable distance from its sun seem like a better bet.

—Adam Hinterthuer
太空迷 发表于 2010-11-6 20:34 | 显示全部楼层 来自: 中国–广东–江门 电信
请问可否翻译一下
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yugang 发表于 2010-11-6 21:29 | 显示全部楼层 来自: 中国–天津–天津 联通/百度云加速联通
本帖最后由 yugang 于 2010-11-6 21:30 编辑

您老这没翻译啊…… 怎么还原创翻译版??
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