4/24/2008STScI-2008-161.Cosmic Collisions Galore!
Astronomy textbooks typically present galaxies as staid, solitary, and majestic island worlds of glittering stars. But galaxies have a dynamical side. They have close encounters that sometimes... (More)
10/16/2006STScI-2006-463.Super Star Clusters in the Antennae Galaxies
This new NASA Hubble Space Telescope image of the Antennae galaxies is the sharpest yet of this merging pair of galaxies. During the course of the collision, billions... (More)
10/12/2006STScI-2006-454.Hubble Captures Galaxy in the Making
Images from NASA's Hubble Space Telescope have provided a dramatic glimpse of a large and massive galaxy under assembly by the merging of smaller, lighter galaxies. Astrophysicists... (More)
4/22/2004STScI-2004-156.The Lure of the Rings
Resembling a diamond-encrusted bracelet, a ring of brilliant blue star clusters wraps around the yellowish nucleus of what was once a normal spiral... (More)
2003
5/1/2003STScI-2003-147.Freewheeling Galaxies Collide in a Blaze of Star Birth
A dusty spiral galaxy appears to be rotating on edge, like a pinwheel, as it slides through the larger, bright galaxy NGC 1275, in this NASA Hubble Space Telescope... (More)
2002
10/3/2002STScI-2002-238.Odd Couple Widely Separated by Time and Space
Appearances can be deceiving. In this NASA Hubble Space Telescope image, an odd celestial duo, the spiral galaxy NGC 4319 [center] and a quasar called Markarian... (More)