You are here

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.

Resources

Virgo, the virgin

Virgo October 4, 2011

Radio Programs

On the Move Tugging at the Milky Way February 13, 2018

Eridanus Cluster Galaxy clusters in the southern sky January 14, 2018

Seyfert’s Sextet Illumination in a dark sky September 28, 2017

Virgo Cluster Galaxies that hang out together April 18, 2017

Galaxies Galore Uncovering a whole bunch of galaxies February 13, 2017

Local Supercluster “Nesting” the structure of the universe January 13, 2017

Local Group II The Milky Way’s galactic entourage January 10, 2017

Local Group Our galactic neighborhood January 9, 2017

Dark Matters Lighting up the darkness December 16, 2016

Lacy Galaxies Finding big but hazy galaxies March 31, 2016

Coma Cluster A bright but dark galaxy cluster March 30, 2016

Emptiness Vast “voids” between galaxies July 20, 2015

Hercules Cluster Stirring up a cluster of galaxies May 13, 2015

Galactic Companions Like looking in a galactic mirror April 11, 2015

Pandora’s Cluster Mapping a galactic pile-up March 9, 2015

On the Frontier Pushing the intergalactic frontier March 8, 2015

Featured Images

Hubble view of Abel 370 galaxy cluster with intervening asteroids

Interlopers November 5, 2017

Seyfert's Sextet

Four-Member Sextet September 28, 2017

Combined radio and visual view of the Perseus galaxy cluster

Hot Halo June 21, 2017

Hubble Space Telescope image of galaxy cluster Abell 370

Galactic Pile-Up May 15, 2017

Hubble Space Telescope view of galaxy M100

Grand Spiral April 19, 2017

Galaxy map shows

Sailing Through the Galaxies February 13, 2017

Hubble Space Telescope view of a gravitational lens

Galactic Lens July 22, 2016

Galactic Baubles April 14, 2016

Ground-based view of Coma cluster of galaxies

Sparkling Galaxies March 29, 2016

Hubble Space Telescope image of spiral galaxy Messier 66

Evidence of an Encounter April 12, 2015

Hubble Space Telescope view of Abell 2744, a massive galaxy cluster

On the Frontier March 9, 2015

Gemini Observatory image of VV 166 galaxy group

Galaxies Galore January 11, 2015

Simulation of the early universe

Tangled Web May 10, 2014

HST image of thousands of galaxies

Galaxies Galore April 17, 2014

Hubble image of a galaxy cluster and the deduced location of its dark matter

Dark Universe August 5, 2013

Hubble view of Coma Cluster of galaxies

Crowning Glory April 19, 2013

Optical and X-ray image of the galaxy cluster Abell 383

Brilliant Darkness March 16, 2012

New Heavyweight Champion February 6, 2012

Galactic Swirl December 14, 2011

NGC 4438 and NGC 4435, galaxies in Virgo

Beautiful Eyes August 25, 2011

Ground-based image of the galaxy cluster Abell 2151, in Hercules

Galaxies Galore October 1, 2010

Galactic Beauty August 11, 2010

Cosmic Bullets July 20, 2010