Anemic Spiral NGC 4921 from Hubble
How far away is spiral galaxy NGC 4921? It’s surpringly important to know. Although presently estimated to be […]
Astronomy
Young Star Cluster Trumpler 14 from Hubble
Why does star cluster Trumpler 14 have so many bright stars? Because it is so young. Many cluster […]
Ash and Lightning above an Icelandic Volcano
Why did a picturesque volcanic eruption in Iceland create so much ash? Although the large ash plume was […]
Milky Way, Launch, and Landing
The Milky Way doesn’t look quite this colorful and bright to the eye, but a rocket launch does. […]
Virtual Flyby of the Whirlpool Galaxy
What would it look like to fly over a spiral galaxy? To help visualize this, astronomers and animators […]
Saturn, Titan, Rings, and Haze
This is not a solar eclipse. Pictured here is a busy vista of moons and rings taken at […]
Clouds of the Large Magellanic Cloud
The Large Magellanic Cloud (LMC) is an alluring sight in southern skies. But this deep and detailed telescopic […]
Manicouagan Impact Crater from Space
Orbiting 400 kilometers above Quebec, Canada, planet Earth, the International Space Station Expedition 59 crew captured this snapshot […]
The Cats Eye Nebula in Optical and Xray
To some it looks like a cat’s eye. To others, perhaps like a giant cosmic conch shell. It […]
Meteor Misses Galaxy
The galaxy was never in danger. For one thing, the Triangulum galaxy (M33), pictured, is much bigger than […]