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Planetary science

Kuiper-belt interlopers

Objects in the Kuiper belt, which lies beyond Neptune, occur as two distinct populations. One group may have migrated from a region closer to the Sun, caught by Neptune's gravity as it wandered in the early Solar System.

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Figure 1: On the origin of the 'hot' Kuiper-belt population.

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Correspondence to A. Morbidelli or H. F. Levison.

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Morbidelli, A., Levison, H. Kuiper-belt interlopers. Nature 422, 30–31 (2003). https://doi.org/10.1038/422030a

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