Friday, November 19, 2010

Can Planets be Shy and Hiding Behind Others?

Extragalactic Exoplanet Found Hiding Out in Milky Way

"Some extrasolar planets are truly out of this world.

Astronomers have for the first time discovered a planet in the Milky Way that came from another galaxy. 
The planet, which has a mass of at least 1.25 Jupiters, orbits an elderly star that was ripped from a small satellite galaxy some 6 to 9 billion years ago.
Johny Setiawan and Rainer Klement of the Max Planck Institute for Astronomy in Heidelberg, Germany, describe the finding online November 18 in Science..."

Article by Ron Cowen