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X-ray Astronomy Field Guide: Galaxy Clusters

Press Releases by Category
Groups & Clusters of Galaxies :: Vast clouds of hot gas embedded with numerous galaxies.

Image Date Title Org.
--2014--
Mysterious X-ray Signal Intrigues Astronomers 24 Jun 14 Mysterious X-ray Signal Intrigues Astronomers CXC 
Hubble Finds that Monster 03 Apr 14 Hubble Finds that Monster "El Gordo" Galaxy Cluster is Bigger than Thought STScI 
Death By Black Hole In Small Galaxy? 08 Jan 14 Death By Black Hole In Small Galaxy? CXC 
--2013--
NASA's Great Observatories Begin Deepest Ever Probe of the Universe 24 Oct 13 NASA's Great Observatories Begin Deepest Ever Probe of the Universe NASA 
--2012--
From Super to Ultra: Just How Big Can Black Holes Get? 18 Dec 12 From Super to Ultra: Just How Big Can Black Holes Get? CXC 
Phoenix Cluster Sets Record Pace at Forming Stars 15 Aug 12 Phoenix Cluster Sets Record Pace at Forming Stars NASA 
Dark Matter Core Defies Explanation in NASA Hubble Image 02 Mar 12 Dark Matter Core Defies Explanation in NASA Hubble Image NASA 
NASA's Chandra Finds Largest Galaxy Cluster in Early Universe 10 Jan 12 NASA's Chandra Finds Largest Galaxy Cluster in Early Universe NASA 
--2010--
How Often do Giant Black Holes Become Hyperactive? 20 Dec 10 How Often do Giant Black Holes Become Hyperactive? CXC 
Galactic Super-volcano in Action 18 Aug 10 Galactic Super-volcano in Action CXC 
Einstein's Theory Fights off Challengers 14 Apr 10 Einstein's Theory Fights off Challengers CXC 
MSU Contributes to New Research on Star Formation 21 Jan 10 MSU Contributes to New Research on Star Formation MSU 
Massive Black Hole Implicated in Stellar Destruction 04 Jan 10 Massive Black Hole Implicated in Stellar Destruction CXC 
--2009--
Galaxy Cluster Smashes Distance Record 22 Oct 09 Galaxy Cluster Smashes Distance Record CXC 
Ghost Remains After Black Hole Eruption 28 May 09 Ghost Remains After Black Hole Eruption CXC 
Cosmic Heavyweights in Free-for-all 16 Apr 09 Cosmic Heavyweights in Free-for-all CXC 
--2008--
Dark Energy Found Stifling Growth in Universe 16 Dec 08 Dark Energy Found Stifling Growth in Universe NASA 
Searching for Primordial Antimatter 30 Oct 08 Searching for Primordial Antimatter CXC 
Ghostly Glow Reveals a Hidden Class of Long-Wavelength Radio Emitters 15 Oct 08 Ghostly Glow Reveals a Hidden Class of Long-Wavelength Radio Emitters NRL 
--2007--
Orphan Stars Found in Long Galaxy Tail 20 Sep 07 Orphan Stars Found in Long Galaxy Tail CXC 
Dark Matter Mystery Deepens in Cosmic 16 Aug 07 Dark Matter Mystery Deepens in Cosmic "Train Wreck" CXC 
Chandra Catches 24 Jul 07 Chandra Catches "Piranha" Black Holes CXC 
Galaxy Cluster Takes It to the Extreme 30 May 07 Galaxy Cluster Takes It to the Extreme CXC 
--2006--
Chandra Reviews Black Hole Musical: Epic But Off-Key 05 Oct 06 Chandra Reviews Black Hole Musical: Epic But Off-Key CXC 
NASA Finds Direct Proof of Dark Matter 21 Aug 06 NASA Finds Direct Proof of Dark Matter NASA 
Chandra Independently Determines Hubble Constant 08 Aug 06 Chandra Independently Determines Hubble Constant CXC 
Proto Supermassive Binary Black Hole Detected in X-rays 06 Apr 06 Proto Supermassive Binary Black Hole Detected in X-rays A&A 
--2005--
Chandra Proves Black Hole Influence is Far Reaching 01 Dec 05 Chandra Proves Black Hole Influence is Far Reaching CXC 
Galaxy Clusters, Near and Far, Have a Lot in Common 08 Apr 05 Galaxy Clusters, Near and Far, Have a Lot in Common RAS 
Most Powerful Eruption in the Universe Discovered 05 Jan 05 Most Powerful Eruption in the Universe Discovered NASA 
--2004--
Motions in Nearby Galaxy Cluster Reveal Presence of Hidden Superstructure 08 Sep 04 Motions in Nearby Galaxy Cluster Reveal Presence of Hidden Superstructure CXC 
Chandra Catches Early Phase of Cosmic Assembly 13 Aug 04 Chandra Catches Early Phase of Cosmic Assembly CXC 
Chandra Opens New Line of Investigation on Dark Energy 18 May 04 Chandra Opens New Line of Investigation on Dark Energy NASA 
Giant Galaxy's Violent Past Comes Into Focus 10 May 04 Giant Galaxy's Violent Past Comes Into Focus CXC 
Too Fast, Too Furious: A Galaxy's Fatal Plunge 06 Jan 04 Too Fast, Too Furious: A Galaxy's Fatal Plunge STScI 
Images From Hubbles's ACS Tell A Tale Of Two Record-Breaking Galaxy Clusters 02 Jan 04 Images From Hubbles's ACS Tell A Tale Of Two Record-Breaking Galaxy Clusters STScI 
--2003--
Chandra 09 Sep 03 Chandra "Hears" A Black Hole For The First Time NASA 
Hot News for Cold Dark Matter 11 Jun 03 Hot News for Cold Dark Matter CXC 
Chandra Provides New View of Biggest Construction Sites in Universe 21 May 03 Chandra Provides New View of Biggest Construction Sites in Universe NASA 
--2002--
Chandra Finds Surprising Black Hole Activity In Galaxy Cluster 13 Sep 02 Chandra Finds Surprising Black Hole Activity In Galaxy Cluster CXC 
Chandra Finds Ghosts Of Eruption In Galaxy Cluster 08 Jan 02 Chandra Finds Ghosts Of Eruption In Galaxy Cluster NASA 
--2001--
Astronomers Take the Measure of Dark Matter in the universe 06 Sep 01 Astronomers Take the Measure of Dark Matter in the universe IoA 
Chandra Probes Nature of Dark Matter 06 Sep 01 Chandra Probes Nature of Dark Matter NASA 
Chandra Finds Most Distant X-ray Galaxy Cluster 15 Feb 01 Chandra Finds Most Distant X-ray Galaxy Cluster CXC 
--2000--
Chandra Catches Cannibal Galaxy in the Act 07 Jun 00 Chandra Catches Cannibal Galaxy in the Act CXC 
Cosmic Pressure Fronts Mapped by Chandra 01 Mar 00 Cosmic Pressure Fronts Mapped by Chandra CXC 
--1999--
Chandra Ploughs Up a Snake In Hydra A 09 Dec 99 Chandra Ploughs Up a Snake In Hydra A CXC 
Cosmic Payback: Giant Galaxy Reacts to Being Dumped On 16 Nov 99 Cosmic Payback: Giant Galaxy Reacts to Being Dumped On CXC