The most distant world we've ever explored has a new name: Arrokoth, which means "sky" in the Native American Powhatan/Algonquian language.

NASA's New Horizons spacecraft flew by the bi-lobed object in the Kuiper Belt at the beginning of this year.

NASA announced Tuesday that the fresh moniker has been approved by the International Astronomical Union, the organization responsible for recognizing the names of space objects and features.

The New Horizons team proposed the name to the IAU with consent from Powhatan tribal elders and representatives.

Arrokoth previously went by the nickname Ultima Thule.

Before that, it was known by the blander name "2014 MU69."

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