Monday, May 23, 2011

Lots Of Multi-Planet Systems Found In Kepler Planet Hunt

This artist rendering provided by NASA shows a solar system comparison of the Kepler 11 solar system and ours. NASA/AP

Surprise Find In Kepler Planet Hunt: Lots Of Multi-Planet Systems -- Christian Science Monitor

NASA's Kepler spacecraft, which is searching for Earth-mass planets orbiting sun-like stars, is finding hundreds of candidate planets, and many more multi-planet systems than expected.


Two years into a 3-1/2-year mission, NASA’s Kepler spacecraft, hunting for planets orbiting some 165,000 stars in the constellation Cygnus, is uncovering planet candidates by the hundreds.

Many of these inhabit multi-planet systems that are unexpectedly flat – the inclination of the planets’ orbits within each of these systems are essentially the same, a feature that may hold clues about how these systems formed and evolved.

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