| |
When Black Holes Collide
|
IC 1805: The Heart Nebula
What energizes the Heart Nebula?
|
Lenticular Clouds over Mount Etna
What's happening above that volcano?
|
The Conjunction of the 46p/wirtanen comet, the hyades cluster and the Pleiades cluster
|
Astronomy Picture of the Day: Meteor before Galaxy
What's that green streak in front of the Andromeda galaxy? A meteor.
|
Astronomy Picture of the Day: Spiral Galaxy NGC 6744
Beautiful spiral galaxy NGC 6744 is nearly 175,000 light-years across, larger than our own Milky Way.
|
Astronomy Picture of the Day: From the Galactic Plane through Antares
Behold one of the most photogenic regions of the night sky, captured impressively.
|
Trifid Nebula and his companion
|
Astronomy Picture of the Day: A Plurality of Singularities at the Galactic Center
A recent informal poll found that astronomers don't yet have a good collective noun for a group of black holes, but they need one.
|
Astronomy Picture of the Day: Galaxies in the River
Large galaxies grow by eating small ones. Even our own galaxy practices galactic cannibalism, absorbing small galaxies that get too close and are captured by the Milky Way's gravity.
|