486958 Arrokoth
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486958 Arrokoth is a small, icy Kuiper belt object orbiting the Sun beyond Neptune and Pluto. It became the farthest object in the Solar System visited by a spacecraft when the NASA space probe New Ho
Pamunkey tribal elder Reverend Nick Miles commencing the naming ceremony for Arrokoth
Illustration depicting the hypothesized formation sequence of Arrokoth.
Artist concept of Arrokoth as a contact binary, illustrating the understanding as of August 2017
Artist concept of an ellipsoid shape for Arrokoth, a shape that could not be ruled out prior to the flyby in 2019
Planetesimal
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Planetesimals are solid objects thought to exist in protoplanetary disks and debris disks. Believed to have formed in the Solar System about 4.6 billion years ago, they aid study of its formation.
486958 Arrokoth
…snowman"-shaped object composed of two lobes connected by a narrow neck of material. The lobes of Arrokoth, named Wenu and Weeyo, are believed to be former planetesimals that once formed a binary system, but gently merged together. Wenu and Weeyo have flattened shapes consisting of distinct mounds, which indicate that…
Debris disks detected in HST archival images of young stars, HD 141943 and HD 191089, using improved imaging processes (24 April 2014)
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