The farthest, most primitive object in the solar system ever to be visited by a spacecraft — a bi-lobed Kuiper Belt object known as Arrokoth — is described in detail in three new reports in the journal Science.
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The farthest, most primitive object in the solar system ever to be visited by a spacecraft — a bi-lobed Kuiper Belt object known as Arrokoth — is described in detail in three new reports in the journal Science.