Rings not just for planets anymore

Saturn is famously circled by halo-like rings of dust and debris, as are Jupiter, Uranus and Neptune. Now, a 250-kilometer-wide rock named Chariklo is breaking up the planetary monopoly and showing that other extraterrestrial bodies can host rings as well.

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Timothy Oleson

Timothy Oleson

Tim is the news editor at EARTH, and writes the Bare Earth Elements blog. His scientific interests span the geosciences from biogeochemistry to seismology to space science. Formerly based in Madison, Wis., he now resides in the Washington, D.C., area.

Wednesday, July 23, 2014 - 02:00