NASA’s new horizons spacecraft reached Pluto on July 14, 2015. In doing so, it became the first spacecraft to investigate the dwarf planet closely. On January 1, 2019, it passed a large 36-kilometer long Kuiper belt object known as Arrokoth. That object is a rocky, icy body in a river of similar comet-like objects that circles the solar system not …
NASA’s new horizons spacecraft reached Pluto on July 14, 2015. In doing so, it became the first spacecraft to investigate the dwarf planet closely. On January 1, 2019, it passed a large 36-kilometer long Kuiper belt object known as Arrokoth. That object is a rocky, icy body in a river of similar comet-like objects that circles the solar system not …
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