Most distant world ever explored gets new name: Arrokoth

The most distant world ever explored 4 billion miles away finally has an official name: Arrokoth.NASA's New Horizons spacecraft flew past the snowman-shaped Arrokoth on New Year's Day, 3 ½ years after exploring Pluto.At the time, this small icy world 1 billion miles (1.6 billion kilometers) beyond Pluto was nicknamed Ultima Thule given its vast distance from us.