Mercury – The Smallest Planet of Solar System
Mercury, the smallest planet, goes whizzing around the Sun at a dazzling 31 miles per second. The planet travels so fast that it makes a complete loop in only 88 days....
Posted in The Solar System , Earth Science | Tags : The Planet Mercury, mercury, all about mercury, all about mercury for kids, facts about mercury, all about mercury facts, all about mercury in astrology, smallest planet, densest planet, first planet from the sun
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