CAPE CANAVERAL, Florida, Feb 22: Astronomers have found a mini planet beyond our solar system that is the smallest of more than 800 extra-solar planets discovered, scientists said on Wednesday. The planet, known as Kepler-37b, is one of three circling a yellow star similar to the sun that is located in the constellation Lyra, about 210 light years away. One light year is about 10 trillion km. (agencies)
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