A collection of frozen objects made of ice, dust, and rock that orbit the Sun in the outer solar system. The belt extends from just beyond the orbit of the planet Neptune to well beyond the orbit of Pluto.
The Kuiper belt (pronounced /ˈkaɪpɚ/, to rhyme with "viper"), sometimes called the Edgeworth-Kuiper belt, is a region of the Solar System beyond the planets extending from the ...
In 1950, Dutch astronomer Jan Oort hypothesized that comets came from a vast shell of icy bodies about 50,000 times farther from the Sun than Earth is.
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