1 December 2025

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24 days of cosmic wonder

1 December 2025 Emily Baldwin-Fiebrich

Enjoy 24 festive astronomical images this month!

A glowing green nebula surrounded by countless bright stars scattered across deep space. The nebula’s wispy structure forms a faint, tree-like shape at the centre of the star field. — Christmas tree cluster

A dense star cluster filled with thousands of orange and blue stars against a dark sky. The bright blue stars create a sparkling effect around the cluster’s glowing core. — Sparkling star cluster

Three impact craters align, their rims touching to create the illusion of a snowperson. The crater nearest the viewer is largest, with the 'head' the smallest. Fractures also run through the icy white-grey surface — Outer Solar System Snowperson

A central star emits two lobes of hot gas, creating glowing blue 'wings' that stretch horizontally outward from an hourglass-shaped ring of cooler, redder dust and gas. — Stellar snow angel

Swirls of light and dark layers mark the boundaries between ice and dust layers exposed in this expansive icy scene. — Martian winter wonderland

Snowflake in a Christmas tree

Dickens Crater

Christmas tree cluster

Snow-filled crater

Holiday ribbons

Saturnian snowperson

Holiday wreath

Icy mountain peaks

Holiday fireworks

Cosmic bauble

Starlit mountaintop

Angel and heart

Earth wrapped in aurora

Swirling ribbons

Glitterball of stars

Cosmic wreath

Christmas tree lights

Christmas cracker

Christmas launch ‘candles’

Click to explore full-screen and for a brief description.

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