New Horizons Collects First Science on a Post-Pluto Object: NASA’s New Horizons spacecraft has now twice observed 1994 JR1, a 90-mile-wide (145-kilometer-wide) Kuiper Belt object (KBO) orbiting more than 3 billion miles (5 billion kilometers) from the sun.

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Submitted May 18, 2016 at 07:48AM by God_Wills_It_ http://ift.tt/27yQqab