ASTRONOMER’S DOZEN. In a newly proposed scheme, Pluto would retain planethood and there would be three new planets—Ceres, Charon, and 2003 UB313. (These and Pluto enlarged above.) M. Kornmesser, IAU
Pluto aficionados, rejoice! Pluto is a planet. So are the giant asteroid Ceres, Pluto’s moon Charon, and a large outer-solar system object called 2003 UB313.
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