An ancient moonpocalypse may explain Neptune’s odd moon Nereid

New findings suggest Nereid may not have come into Neptune’s orbit from the Kuiper Belt

A glowing ringed planet on a black background

NASA’s James Webb Space Telescope captured Neptune and its rings and inner moons in 2022. These moons could be made of the pulverized remains of Neptune’s original moons.

NASA, ESA, CSA, STScI; Image Processing: Joseph DePasquale/STScI, Naomi Rowe-Gurney/NASA-GSFC

Neptune’s moon Nereid may be the sole survivor of an ancient moonpocalypse.