December skies to feature rare comet, supermoon and meteor shower
December 2025 offers skywatchers an exceptional finale to the year, headlined by the closest approach of interstellar comet 3I/ATLAS, the last supermoon of 2025, and the Geminid meteor shower—widely regarded as the most prolific display of shooting stars annually.
The month's celestial lineup comes as longer, darker nights in the Northern Hemisphere provide optimal viewing conditions for both amateur astronomers and casual observers seeking respite from the holiday season.
In December 2025, stargazers will have a spectacular month with a full Cold Supermoon on December 4, the Geminids Meteor Shower peaking on December 13-14, Comet 3I/ATLAS making its closest approach to Earth on December 19, the winter solstice on December 21, and the Ursids Meteor Shower peaking on December 22.
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