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Astronomy

Worlds of mutual motion

Two asteroids beyond Neptune have been found to orbit one another. This binary system in the Kuiper belt shows marked differences from binary objects elsewhere in the Solar System.

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Figure 1: Comparison of typical binary systems within the Solar System.

References

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Correspondence to Jean-Luc Margot.

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Margot, JL. Worlds of mutual motion. Nature 416, 694–695 (2002). https://doi.org/10.1038/416694a

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