Lunar Shadow Transit
This snapshot from deep space captures planet Earth on March 9. The shadow of its large moon is […]
Astronomy
Dark Sun over Ternate
A dark Sun hangs in the clearing sky over a volcanic planet in this morning sea and skycape. […]
Edge On Galaxy NGC 5866
Why is this galaxy so thin? Many disk galaxies are actually just as thin as NGC 5866, pictured […]
Mystery Feature Now Disappears in Titan Lake
What is that changing object in a cold hydrocarbon sea of Titan? Radar images from the robotic Cassini […]
Cities at Night
Looking toward the south from an altitude of 400 kilometers, this stunning snapshot from orbit finds bright lights […]
Sculptor Galaxy NGC 134
NGC 134 is probably not the best known spiral galaxy in the constellation Sculptor. Still, the tantalizing island […]
Moons and Jupiter
Some of the Solar System’s largest moons rose together on February 23. On that night, a twilight pairing […]
Unusual Clouds over Hong Kong
What’s that in the sky? Earlier this month, in the sky high above Hong Kong, China, not just […]
NGC 3310: A Starburst Spiral Galaxy
The party is still going on in spiral galaxy NGC 3310. Roughly 100 million years ago, NGC 3310 […]
Julius Caesar and Leap Days
Today, February 29th, is a leap day – a relatively rare occurrence. In 46 BC, Julius Caesar, featured […]