RT @NASA: #UltimaThule used to be 2 separate objects. It likely formed over time as a rotating cloud of small, icy bodies started to combin… 0 atbildes

Ingvilda
(02.01.2019 22:55:18)
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RT @NASA: #UltimaThule used to be 2 separate objects. It likely formed over time as a rotating cloud of small, icy bodies started to combin…