Astronomy Picture of the Day

Earthshine and Venus Over Sierra de Guadarrama

The Grand Canyon in Moonlight

Paris by Night

Dad Quiets Omicron Ceti

Tungurahua Erupts

M46 & M47: Star Clusters Young and Old

Centaurus A

Zodiacal Light Panorama

Venus and the Sisters

Explanation:

Io: Moon Over Jupiter

Blue Straggler Stars in Globular Cluster M53