Kuiper belt

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Artist's rendering of the Kuiper Belt and hypothetical more distant Oort cloud.
Artist's rendering of the Kuiper Belt and hypothetical more distant Oort cloud.

The Kuiper belt is an area of the solar system beyond the orbit of Neptune (at 30 AU) to 50 AU from the Sun.

The objects within the Kuiper Belt together with the members of the scattered disk beyond, are together called trans-Neptunian.