Stars and Dust in Corona Australis
Cosmic dust clouds and young, energetic stars inhabit this telescopic vista, less than 500 light-years away toward the […]
Astronomy
Cocoon Nebula Deep Field
Inside the Cocoon Nebula is a newly developing cluster of stars. The cosmic Cocoon on the upper right […]
Salt Pepper and Ice
There’s a “camera” comet now moving across the sky. Just a bit too dim to see with the […]
Cosmic Collision Forges Galactic Ring
How could a galaxy become shaped like a ring? The rim of the blue galaxy pictured on the […]
A Solar Filament Erupts
What’s happened to our Sun? Nothing very unusual — it just threw a filament. Toward the middle of […]
Mont Blanc, Meteor, and Milky Way
Snowy Mont Blanc is near the center of this atmospheric night skyscape. But high, thin clouds fogged the […]
Ice Halos at Yellowknife
You’ve probably seen a circle around the Sun before. More common than rainbows, ice halos, like a 22 […]
Comet, Clusters, and Nebulae
Bright enough for binocular viewing Comet 21P / Giacobini-Zinner stands out, even in this deep telephoto mosaic of […]
Lunations
Our Moon’s appearance changes nightly. As the Moon orbits the Earth, the half illuminated by the Sun first […]
Milky Way over Trolls Tongue
You have to take a long hike to see the Troll’s Tongue — ten hours over rocky terrain. […]