Puppis A Supernova Remnant
Driven by the explosion of a massive star, supernova remnant Puppis A is blasting into the surrounding interstellar […]
Astronomy
The Large Cloud of Magellan
The 16th century Portuguese navigator Ferdinand Magellan and his crew had plenty of time to study the southern […]
Collinder 399: The Coat Hanger
Is this coat hanger a star cluster or an asterism? This cosmic hang-up has been debated over much […]
Meteors and Milky Way over Mount Ranier
Despite appearances, the sky is not falling. Two weeks ago, however, tiny bits of comet dust were. Featured […]
Dione, Rings, Shadows, Saturn
What’s happening in this strange juxtaposition of moon and planet? First and foremost, Saturn’s moon Dione was captured […]
Giant Cluster Bends Breaks Images
What are those strange blue objects? Many of the brightest blue images are of a single, unusual, beaded, […]
Little Planet Curiosity
A curious robot almost completely straddles this rocky little planet. Of course, the planet is really Mars and […]
Sprites from Space
An old Moon and the stars of Orion rose above the eastern horizon on August 10. The Moon’s […]
M27: Not a Comet
While hunting for comets in the skies above 18th century France, astronomer Charles Messier diligently kept a list […]
Central Cygnus Skyscape
In cosmic brush strokes of glowing hydrogen gas, this beautiful skyscape unfolds across the plane of our Milky […]