On this day
Every picture published on 23 December
31 pictures across the years.
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Christmas Tree Aurora
A December Summer Night
Cassini Looks Out from Saturn
Three Planets and a Comet
Jupiter Meets Saturn: A Red Spotted Great Conjunction
- Video
Places for OSIRIS REx to Touch Asteroid Bennu
- Video
Earthrise: A Video Reconstruction
Phaethon’s Brood
Once Upon a Solstice Eve
Geminid Meteors over Xinglong Observatory
The Cliffs of Comet Churyumov Gerasimenko
Geminid Meteors over Chile
Comet Hale Bopp Over Val Parola Pass
Shell Galaxy NGC 7600
The Solstice Moon s Eclipse
December Sunrise, Cape Sounion
Collinder 399: The Coat Hanger
Moon and Mars Tonight
The Analemma and the Temple of Olympian Zeus
Hydrogen and Dust in the Rosette Nebula
3C58: Pulsar Power
Comet Encke Returns
Stars and Dust Through Baade’s Window
Saturnian Aurora
Summer at the South Pole
Unusual Aurora During Solar Wind Dropout
Ring Around the Galaxy
M2-9: Wings of a Planetary Nebula
The Hills of Ganymede
Prometheus, Pandora and Saturn’s F Ring