News of the WeekAstronomy

Extrasolar Planets Get Smaller and (Possibly) Harder

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Science  17 Jun 2005:
Vol. 308, Issue 5729, pp. 1727
DOI: 10.1126/science.308.5729.1727a

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Astronomers have identified the littlest planet known to orbit a normal star, with a likely mass just 7.5 times that of Earth--half the size of the previous record-holder.