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  • RESEARCH HIGHLIGHT

Demon goddess moon takes control of a planet

Dwarf planet Eris’ rotation is constrained by its large moon Dysnomia, named after the Greek goddess of lawlessness.
An artist's impression of the distant dwarf planet Eris.

The distant dwarf planet Eris (artist's impression) rotates in synchrony with its moon Dysnomia. Credit: ESO/L. Calçada and Nick Risinger

In the outer Solar System, the dwarf planet Eris is locked in a mutual dance with its moon Dysnomia1.

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Nature 613, 417 (2023)

doi: https://doi.org/10.1038/d41586-023-00036-x

References

  1. Szakáts, R. et al. Astron. Astrophys. 669, L3 (2023).

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