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Smallest known exoplanet may actually be Earth-mass

00:00 19 January 2009 by Stephen Battersby

The smallest planet around a normal star other than the Sun may be even smaller than first thought. A new analysis suggests the rocky body weighs just 1.4 Earths - less than half the original estimate. Observations over the next few months should test the prediction.

 

Smallest known exoplanet may actually be Earth-mass - space - 19 January 2009 - New Scientist

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