Two groups of astronomers have independently detected a possible ring system around an outer Solar System body called Chiron. This false-color image shows Chiron (April 28, 1998). Image credit: Adrian Silva / Sergio Cellone, doi: 10.1016/S0032-0633(01)00052-6. Chiron, officially designated 2060 Chiron and 96P/Chiron (the former designation being asteroidal and the second is cometary), was discovered on 1 November 1977 by astronomer Charles Kowal. This...