Wednesday, November 07, 2007

Fifth Planet Discovered Orbiting a Star

A fifth planet was discovered orbiting the star 55 Cancri in the constellation Cancer. The planet, about the size of Saturn, resides in the so-called habitable zone, the area around the system where liquid water and warm temperatures - necessary for harboring life - exist. The planet has an orbit of 260 days.

There are about 250 extra solar planets now discovered.

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