Sky at Night Magazine - - BULLETIN -

Rings have been seen around the dwarf planet Haumea. Astronomers watch­ing the world as it passed in front of a dis­tant star, no­ticed that the star’s light dipped slightly be­fore and af­ter the main event, hint­ing at ad­di­tional struc­ture around the dwarf planet. “The anal­y­sis shows that these dips are ex­plained by a nar­row and dense ring around Haumea that ab­sorbed about half of the in­com­ing stel­lar flux,” says Ul­rich Hopp from the Max Planck In­sti­tute of Ex­trater­res­trial Physics, who led the ob­ser­va­tions.

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