Exoplanet of roughly Earth-size

My friend Summer just e-mailed me a link to this article:

http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=44131

This is the first time we’ve observed an extra-solar planet that is just about the same size as Earth (a little bigger).

It’s very hot though! It orbits its parent star once every 20 hours, which means it must be very very close to the star.

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