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Super-Earths: How Much Are They Like Earth? »

Posted by: _kam0_ 2 months, 3 weeks ago

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While the vast majority of the almost 300 previously discovered exoplanets are Jupiter-like gas giants, the new discoveries of large numbers of small planets suggests that they are abundant in our galaxy, and may outnumber Jupiter-sized giants by 3 to 1. But how much like Earth are these alien worlds?