#solar-system
2 article(s)
The Oort Cloud: The Vast Icy Shell at the Very Edge of the Solar System
Far beyond the planets lies a giant sphere of icy bodies wrapping the entire solar system — the birthplace of long-period comets, and the true boundary of the Sun's domain.
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The Kuiper Belt: The Frozen Frontier at the Edge of Our Solar System
Beyond Neptune lies a vast ring of icy worlds, frozen leftovers from the birth of the planets — home to Pluto and clues about how our solar system was built.
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