SOLAR SYSTEM

Detailed explanation-1: -The Kuiper Belt is named for astronomer Gerard Kuiper, who published a scientific paper in 1951 that speculated about objects beyond Pluto. Kuiper’s work didn’t actually predict the populations of objects we observe in the region named for him, or crucially, their relationship with Neptune.

Detailed explanation-2: -The distant Solar System object is called ‘Arrokoth’ from now on. NASA’s nickname for the distant Kuiper Belt object 2014 MU69, Ultima Thule, has been more than a little contentious.