Mercury - is the smallest planet of the solar system, Venus - is the hottest planet of the solar system, Earth - its atmosphere protects it from meteoroids, Mars - is the red planet and its gravity is a third of the earth's, Sun - the only star of the solar system around which all the planets orbit, Jupiter - The biggest planet of the solar system, Saturn - is known for its rings, Uranus - it is the seventh planet of the solar system and rotates on its side, Neptune - is the windiest planet of the solar system, The moon - is the only satellite of the earth,

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