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giant planet


Giant planet and moon orbiting a sunlike star
A planet that is much larger and more massive than Earth. In practical terms, this probably means that all giant planets are gas giants, since it is hard to see how an exclusively rock-metal planet could acquire enough material in a protoplanetary nebula to take on such huge proportions.


Related categories

   • PLANETS AND MOONS
   • EXTRASOLAR PLANETS AND SUBSTELLAR OBJECTS


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