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What is a Comet? |A Comet's Incredible Journey Through the Solar System | Life Cycle of a Comet
Comets are among the oldest objects in our Solar System, preserving material that formed over 4.6 billion years ago. But did you know the bright object we see isn't actually the comet itself? A comet begins as a tiny frozen nucleus hidden in the distant Oort Cloud or Kuiper Belt. When gravity sends it toward the Sun, its frozen ice sublimates ...
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