Extrasolar planet mass can be ten times as that of earth and it's size can be twice as that of earth.
GJ 504b is the planet having lowest mass detected around sun.
HAT-O-67b is the planet having the highest mass with diameter twice as that of Jupiter.
Results show that there are more small planets than the large ones which indicates that small planets are dominant in the galaxy.
Earth-sized planets are common in the galaxy.
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