Astronomy Picture of the Day

Comet Clark is near the Edge
Spiral Galaxy NGC 6744
Star Cluster, Spiral Galaxy, Supernova
NGC 4565: Galaxy on Edge
A Zodiacal Sky over Horseshoe Bend
In the Center of the Lagoon Nebula
A View Toward M101
Wolf-Lundmark-Melotte
Simeis 147: Supernova Remnant
Galaxy Group Hickson 90
Gemini Stars Pollux and Castor
Ganymede: The Largest Moon