Astronomers Discover New Moons around Uranus and Neptune

The discovery image of the Uranian moon S/2023 U1 using the Magellan telescope on November 4, 2023. Image credit: Scott Sheppard.

The three newly-discovered moons — S/2023 U1, S/2002 N5 and S/2021 N1 — are the faintest ever found around Uranus and Neptune using ground-based telescopes.