51 Pegasi

Copyright 1999 S.Monnier
 

A (fanciful) view of the 51 Pegasi system.
51 Pegasi is the first planet found near a star outside the solar system. It was discovered in november 1995 by two Swiss astronomer, Michel Mayor and Didier Queloz.
It's a strange planet, because it's very close to its star (0.05 AU). Its orbital period is 4.2 days.

Trivia: There should be about 100000 earth-like exoplanets in our galaxy. That's the same order of magnitude as the number of 7-card poker hands (133784560).

If you're interested in new planets, visit this site :

About extrasolar planets

A paper from Scientific American
 

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