Wednesday, September 8, 2010

New Planets

An artist's rendering shows two Saturn-sized planets discovered by NASA’s Kepler mission
Recently, NASA has announced the discovery of two planets, slightly smaller than Saturn, orbiting the same star in the Milky Way, which have been discovered by the Kepler Space Telescope.

William Borucki, the Kepler Mission Science Principal Investigator, at the NASA Ames Research Center, announced on a teleconference "the first discovery of multiple planets orbiting the same star."

The two planets, known as Kepler 9B and 9C, have a clear gravitational interaction, according to NASA.

A third celestial body, has also been discovered. It's about 1.5 times the size of Earth, but it has not yet, been confirmed as a planet.

"The discovery incorporates seven months of observations of more than 156,000 stars as part of an ongoing search for Earth-sized planets outside our solar system," NASA said in a press release.

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