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Smallest exoplanet yet - smaller than Mercury
Topic Started: Feb 22 2013, 04:47 PM (112 Views)
CJ
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A very minor case of serious brain damage

http://www.bbc.co.uk/news/science-environment-21471908

Astronomers have smashed the record for the smallest planet beyond our Solar System - finding one only slightly larger than our Moon.

To spot the tiny, probably rocky planet, they first needed to precisely measure the size of its host star.

They did so using "astroseismology" - effectively, turning tiny variations in the star's light into sounds.

A report in Nature describes the blistering, probably rocky planet, which orbits its star in just 13 days.

Wow, this is an interesting discovery, not just due to its size, but also due to its incredibly short 'year'!
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