Smallest extrasolar planet found

The smallest extrasolar planet ever found–just 5.5 times the size of Earth–has been discovered in orbit around a red dwarf (the most common type of star in the galaxy) using a technique called microlensing.

Best of all:

The find suggests Earth-like planets are abundant in the galaxy and validates a technique that should be able to find them.

Permanent link to this article: https://edwardwillett.com/2006/01/smallest-extrasolar-planet-found/

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