Cluster

 

NGC 4676: The Mighty Mice

These two mighty galaxies are pulling each other apart.

The Colors and Magnitudes of M13

M13 is modestly recognized as the Great Globular Star Cluster in Hercules.

The Cave Nebula in Infrared from Spitzer

What's happening in and around the Cave Nebula?

Astronomy Picture of the Day: Messier 2

After the Crab Nebula, M1, this giant star cluster is the second entry in 18th century astronomer Charles Messier's famous list of things that are not comets.

Astronomy Picture of the Day: M100: A Grand Design Spiral Galaxy

Majestic on a truly cosmic scale, M100 is appropriately known as a grand design spiral galaxy.

Astronomy Picture of the Day: Red Nebula, Green Comet, Blue Stars

This festively colored skyscape was captured in the early morning hours of December 17, following Comet Wirtanen's closest approach to planet Earth. The comet was just visible to the eye.

Astronomy Picture of the Day: Geminids and Friends

From a radiant in the constellation of the Twins, the annual Geminid meteor shower rained down on our fair planet this week.

Astronomy Picture of the Day: M43: Orion Falls

Is there a waterfall in Orion? No, but some of the dust in M43 appears similar to a waterfall on Earth.

Astronomy Picture of the Day: Arp 188 and the Tadpole's Tail

Why does this galaxy have such a long tail? In this stunning vista, based on image data from the Hubble Legacy Archive, distant galaxies form a dramatic backdrop for disrupted spiral galaxy Arp 188, the Tadpole Galaxy.

The Conjunction of the 46p/wirtanen comet, the hyades cluster and the Pleiades cluster


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