Night Sky Tonight (December 16, 2025): What to See After Dark — Meteors, Planets, an Interstellar Comet, and Aurora Updates
Comet 3I/ATLAS, an interstellar comet, is making its closest approach to Earth this week, passing about 270 million km away. United Launch Alliance’s Atlas V rocket launched 27 Amazon broadband satellites from Cape Canaveral early Tuesday, marking ULA’s final launch of 2025. The Moon is a slim crescent tonight, offering dark skies for meteor and comet watching.