Launch to Lovejoy
Blasting skyward an Atlas V rocket carrying a U.S. Navy satellite pierces a cloud bank in this starry […]
NASA
The Complex Ion Tail of Comet Lovejoy
What causes the structure in Comet Lovejoy’s tail? Comet C/2014 Q2 (Lovejoy), which is currently at naked-eye brightness […]
Infrared Orion from WISE
The Great Nebula in Orion is an intriguing place. Visible to the unaided eye, it appears as a […]
The Galactic Core in Infrared
What’s happening at the center of our Milky Way Galaxy? To help find out, the orbiting Hubble and […]
Comet Lovejoy s Tail
Sweeping north in planet Earth’s sky, Comet Lovejoy’s greenish coma and blue tinted ion tail stretched across this […]
Huygens Lands on Titan
Delivered by Saturn-bound Cassini, ESA’s Huygens probe touched down on the ringed planet’s largest moon Titan, ten years […]
Venus and Mercury at Sunset
Inner planets Venus and Mercury can never wander far from the Sun in Earth’s sky. This week you’ve […]
The Hunter, the Bull, and Lovejoy
Heading north, Comet Lovejoy (C/2014 Q2) is putting on its best show for comet watchers now, with moonlight […]
The Soap Bubble Nebula
Adrift in the rich star fields of the constellation Cygnus, this lovely, symmetric nebula was only recognized a […]
Cataclysmic Dawn
Will this dawn bring another nova? Such dilemmas might be pondered one day by future humans living on […]