Possible Discovery Of Planet In Another Galaxy
06.12.09 |
A team of astronomers at the University of Zurich in Switzerland believe they've discovered a new planet. However, it isn't in the Milky Way galaxy, but in the neighboring Andromeda galaxy some two-million light-years away. The discovery would make it the first planet found outside of the Milky Way. The astronomers used a method called gravitational microlensing. The team built a computer model to determine how large planets would affect the light from stars in Andromeda. Team leader Philippe Jetzer first thought it was a binary star, however the results appear more like his extra-galactic planet model predicted for a planet up to seven times the size of Jupiter. The research is published in the magazine "New Scientist."
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