Galaxy Cluster

A grouping of galaxies. The Milky Way belongs to a small cluster known as the Local Group, but other clusters can contain hundreds or thousands of galaxies. Clusters of galaxies, in turn, can group together to form superclusters.

Featured Images

Optical and X-ray image of the galaxy cluster Abell 383
 Brilliant Darkness Friday, March 16, 2012
New Heavyweight Champion Monday, February 6, 2012
Galactic Swirl Wednesday, December 14, 2011
NGC 4438 and NGC 4435, galaxies in Virgo
 Beautiful Eyes Thursday, August 25, 2011
Ground-based image of the galaxy cluster Abell 2151, in Hercules
 Galaxies Galore Friday, October 1, 2010
Galactic Beauty Wednesday, August 11, 2010
This giant cluster of galaxies and hot gas provides evidence of dark matter.
 Cosmic Bullets Tuesday, July 20, 2010
Galactic Giant Friday, May 9, 2008
Crowded Neighborhood Thursday, May 8, 2008
Sharper View Wednesday, May 7, 2008
Glowing Galaxies Tuesday, May 6, 2008
Galaxies Galore Monday, May 5, 2008

Radio Programs

 Fire and Water Fire and water in the night sky Saturday, December 3, 2011
Herculean Galaxies Stirring up spiral galaxies Friday, October 1, 2010
Bullet Cluster Catching a cosmic bullet Tuesday, July 20, 2010
Dark Matter Most of the universe goes missing Monday, July 19, 2010
Fornax Cluster Clustering around the furnace Saturday, January 9, 2010
Largest Void A giant "hole" in the universe Wednesday, February 18, 2009
First Supercluster Big clumps in the universe Tuesday, February 17, 2009
Galactic Giants The 800-pound-gorillas of galaxies Friday, May 9, 2008
Nature vs. Nurture Debating the fates of galaxies Thursday, May 8, 2008
Hostile Environment Peeking into a hostile neighborhood Wednesday, May 7, 2008
Invisible Cluster The dark side of a bright galaxy cluster Tuesday, May 6, 2008
Coma Cluster Sparkling adornments for a queen Monday, May 5, 2008

Resources

 Constellation Guide: Virgo Virgo is the second-largest constellation -- so...

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