Unexpected outer world: Scientists found a rare, thin atmosphere around 2002 XV93, a 500 km-wide Kuiper Belt object far beyond Neptune. How it was found: The atmosphere was detected during a stellar ...
The New Horizons spacecraft will conduct a close flyby of the Kuiper Belt Object (KBO) 2014 MU69 (MU69) on January 1, 2019, at a distance of 2,175 miles (3,500 km), achieving the most distant flyby in ...
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