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X-ray Astronomy Field Guide: Quasars and Active Galaxies

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Quasars & Active Galaxies :: Galaxies with unusually energetic activity, including high-energy jets, that is related to a central supermassive black hole.

Image Date Title Org.
--2024--
Black Hole Destroys Star, Goes After Another, NASA Missions Find 09 Oct 24 Black Hole Destroys Star, Goes After Another, NASA Missions Find NASA/CXC 
NASA's Hubble, Chandra Find Supermassive Black Hole Duo 09 Sep 24 NASA's Hubble, Chandra Find Supermassive Black Hole Duo NASA/STScI/CXC 
NASA Telescopes Work Out Black Hole's Snack Schedule 14 Aug 24 NASA Telescopes Work Out Black Hole's Snack Schedule NASA/CXC 
How do Supermassive Black Holes Get Super Massive? 11 Jun 24 How do Supermassive Black Holes Get Super Massive? NASA/CXC/NSF/Penn State 
--2023--
Unexpectedly Calm and Remote Galaxy Cluster Discovered 20 Jul 23 Unexpectedly Calm and Remote Galaxy Cluster Discovered NASA/CXC 
NASA's Chandra Discovers Giant Black Holes on Collision Course 22 Feb 23 NASA's Chandra Discovers Giant Black Holes on Collision Course NASA/CXC 
--2021--
31 Aug 21 "X-ray Magnifying Glass" Enhances View of Distant Black Holes NASA/CXC 
Telescopes Unite in Unprecedented Observations of Famous Black Hole 14 Apr 21 Telescopes Unite in Unprecedented Observations of Famous Black Hole NASA/CXC 
Gigantic Jet Spied From Black Hole in Early Universe 09 Mar 21 Gigantic Jet Spied From Black Hole in Early Universe NASA/CXC 
--2020--
The Recipe for Powerful Quasar Jets 14 Oct 20 The Recipe for Powerful Quasar Jets NASA/CXC 
Star Survives Close Call with a Black Hole 23 Apr 20 Star Survives Close Call with a Black Hole NASA/CXC 
Famous Black Hole Has Jet Pushing Cosmic Speed Limit 06 Jan 20 Famous Black Hole Has Jet Pushing Cosmic Speed Limit NASA/CXC 
--2019--
A Weakened Black Hole Allows Its Galaxy to Awaken 18 Nov 19 A Weakened Black Hole Allows Its Galaxy to Awaken NASA/CXC 
Found: Three Black Holes On Collision Course 25 Sep 19 Found: Three Black Holes On Collision Course NASA/CXC 
Scientists Discover Black Hole Has Three Hot Meals a Day 11 Sep 19 Scientists Discover Black Hole Has Three Hot Meals a Day NASA/CXC 
Cloaked Black Hole Discovered in Early Universe using NASA's Chandra 08 Aug 19 Cloaked Black Hole Discovered in Early Universe using NASA's Chandra NASA/CXC 
Where is the Universe Hiding its Missing Mass? 14 Feb 19 Where is the Universe Hiding its Missing Mass? NASA/CXC 
Astronomers Find Dark Energy May Vary Over Time 29 Jan 19 Astronomers Find Dark Energy May Vary Over Time NASA/CXC 
Ricocheting Black Hole Jet Discovered by Chandra 09 Jan 19 Ricocheting Black Hole Jet Discovered by Chandra NASA/CXC 
--2018--
Finding the Happy Medium of Black Holes 09 Aug 18 Finding the Happy Medium of Black Holes NASA/CXC 
Researchers Catch Supermassive Black Hole Burping — Twice 11 Jan 18 Researchers Catch Supermassive Black Hole Burping — Twice NASA/CXC 
--2017--
Giant Black Hole Pair Photobombs Andromeda Galaxy 30 Nov 17 Giant Black Hole Pair Photobombs Andromeda Galaxy CXC 
Scientists Find Elusive Giant Black Hole Pairs 03 Oct 17 Scientists Find Elusive Giant Black Hole Pairs NASA/CXC 
Black Hole Meal Sets Record for Duration and Size 06 Feb 17 Black Hole Meal Sets Record for Duration and Size CXC 
--2016--
Mysterious Cosmic Objects Erupting in X-rays Discovered 19 Oct 16 Mysterious Cosmic Objects Erupting in X-rays Discovered CXC 
Glow from the Big Bang Allows Discovery of Distant Black Hole Jet 16 Feb 16 Glow from the Big Bang Allows Discovery of Distant Black Hole Jet CXC 
--2015--
Oxymoronic Black Hole Provides Clues to Growth 11 Aug 15 Oxymoronic Black Hole Provides Clues to Growth NASA 
NASA Telescopes Set Limits on Space-time Quantum 28 May 15 NASA Telescopes Set Limits on Space-time Quantum "Foam" CXC 
NASA's Chandra Suggests Black Holes Gorging at Excessive Rates 30 Apr 15 NASA's Chandra Suggests Black Holes Gorging at Excessive Rates CXC 
--2014--
Chandra and XMM-Newton Provide Direct Measurement of Distant Black Hole's Spin 05 Mar 14 Chandra and XMM-Newton Provide Direct Measurement of Distant Black Hole's Spin NASA 
--2012--
Record-Setting X-ray Jet Discovered 28 Nov 12 Record-Setting X-ray Jet Discovered CXC 
Giant Black Hole Kicked Out of Home Galaxy 04 Jun 12 Giant Black Hole Kicked Out of Home Galaxy NASA 
--2011--
NASA's Chandra Finds Nearest Pair of Supermassive Black Holes 31 Aug 11 NASA's Chandra Finds Nearest Pair of Supermassive Black Holes NASA 
--2010--
Galactic Super-volcano in Action 18 Aug 10 Galactic Super-volcano in Action CXC 
X-ray Discovery Points to Location of Missing Matter 11 May 10 X-ray Discovery Points to Location of Missing Matter CXC 
Winds of Change: How Black Holes May Shape Galaxies 03 Mar 10 Winds of Change: How Black Holes May Shape Galaxies CXC 
Merging Galaxies Create a Binary Quasar 03 Feb 10 Merging Galaxies Create a Binary Quasar Carnegie Institution 
--2008--
Jet Power and Black Hole Assortment Revealed in New Chandra Image 09 Jan 08 Jet Power and Black Hole Assortment Revealed in New Chandra Image CXC 
--2007--
Black Hole Fires at Neighboring Galaxy 17 Dec 07 Black Hole Fires at Neighboring Galaxy NASA 
Chandra Catches 24 Jul 07 Chandra Catches "Piranha" Black Holes CXC 
Chandra Sees Remarkable Eclipse of Black Hole 12 Apr 07 Chandra Sees Remarkable Eclipse of Black Hole CXC 
--2006--
Chandra Reviews Black Hole Musical: Epic But Off-Key 05 Oct 06 Chandra Reviews Black Hole Musical: Epic But Off-Key CXC 
Evidence for Ultra-Energetic Particles in Jet from Black Hole 20 Jun 06 Evidence for Ultra-Energetic Particles in Jet from Black Hole Yale University 
Proto Supermassive Binary Black Hole Detected in X-rays 06 Apr 06 Proto Supermassive Binary Black Hole Detected in X-rays A&A 
NASA's Chandra Finds Evidence for Quasar Ignition 23 Mar 06 NASA's Chandra Finds Evidence for Quasar Ignition CXC 
--2005--
Lost and Found: X-ray Telescope Locates Missing Matter 02 Feb 05 Lost and Found: X-ray Telescope Locates Missing Matter CXC 
--2004--
Precocious Supermassive Black Holes Challenge Theories 22 Nov 04 Precocious Supermassive Black Holes Challenge Theories CXC 
Chandra Looks Over a Cosmic Four-Leaf Clover 06 Jul 04 Chandra Looks Over a Cosmic Four-Leaf Clover CXC 
Giant Galaxy's Violent Past Comes Into Focus 10 May 04 Giant Galaxy's Violent Past Comes Into Focus CXC 
--2003--
Most Distant X-Ray Jet Yet Discovered Provides Clues To Big Bang 17 Nov 03 Most Distant X-Ray Jet Yet Discovered Provides Clues To Big Bang NASA 
Chandra Provides New View of Biggest Construction Sites in Universe 21 May 03 Chandra Provides New View of Biggest Construction Sites in Universe NASA 
New View of X-Ray Jet Blasting Through Nearest Radio Galaxy 01 Apr 03 New View of X-Ray Jet Blasting Through Nearest Radio Galaxy RAS 
Doomed Matter Near Black Hole Gets Second Lease on Life 25 Mar 03 Doomed Matter Near Black Hole Gets Second Lease on Life PSU 
--2002--
From Cradle To Grave: Chandra Discovers The History Of Black Hole X-Ray Jets 03 Oct 02 From Cradle To Grave: Chandra Discovers The History Of Black Hole X-Ray Jets NASA 
X-ray Arcs Tell The Tale Of Giant Eruption 07 Aug 02 X-ray Arcs Tell The Tale Of Giant Eruption CXC 
Chandra Finds Well-Established Black Holes In Distant Quasars 28 Mar 02 Chandra Finds Well-Established Black Holes In Distant Quasars CXC 
Twin Quasars Tango And It's No Mirage 13 Mar 02 Twin Quasars Tango And It's No Mirage CXC 
Chandra Scores A Double Bonus With A Distant Quasar 06 Feb 02 Chandra Scores A Double Bonus With A Distant Quasar CXC 
--2001--
A Quasar's Identity May Simply Be In The Eye Of The Beholder 29 May 01 A Quasar's Identity May Simply Be In The Eye Of The Beholder CXC 
Chandra Examines Black Holes Large and Small in Nearby Galaxy 14 May 01 Chandra Examines Black Holes Large and Small in Nearby Galaxy CXC 
--2000--
Flickering Quasar Helps Chandra Measure the Expansion Rate of the universe 06 Nov 00 Flickering Quasar Helps Chandra Measure the Expansion Rate of the universe PSU 
Catching a Galactic Football: Chandra Examines Cygnus A 06 Nov 00 Catching a Galactic Football: Chandra Examines Cygnus A CXC 
Chandra Observes Cosmic Traffic Pile-Up In Energetic Quasar Jet 06 Nov 00 Chandra Observes Cosmic Traffic Pile-Up In Energetic Quasar Jet CXC 
Spectacular X-ray Jet Points Toward Cosmic Energy Booster 06 Jun 00 Spectacular X-ray Jet Points Toward Cosmic Energy Booster CXC 
Chandra Observes Cloud Powered by Black Hole in Distant Galaxy 05 Jun 00 Chandra Observes Cloud Powered by Black Hole in Distant Galaxy CXC 
Chandra Clocks Million Mile Per Hour Wind Expanding From Vicinity of Giant Black Hole 25 May 00 Chandra Clocks Million Mile Per Hour Wind Expanding From Vicinity of Giant Black Hole CXC 
Gravitational Lens Helps Chandra Find Rare Type of Black Hole 20 Mar 00 Gravitational Lens Helps Chandra Find Rare Type of Black Hole CXC 
Chandra Reads the Cosmic Bar Code of Gas Around a Black Hole 17 Feb 00 Chandra Reads the Cosmic Bar Code of Gas Around a Black Hole CXC 
--1999--
Cosmic Payback: Giant Galaxy Reacts to Being Dumped On 16 Nov 99 Cosmic Payback: Giant Galaxy Reacts to Being Dumped On CXC 
Extended X-Ray Jet in Nearby Galaxy Reveals Energy Source 25 Oct 99 Extended X-Ray Jet in Nearby Galaxy Reveals Energy Source CXC 
NASA Unveils First Images From Chandra X-Ray Observatory 26 Aug 99 NASA Unveils First Images From Chandra X-Ray Observatory CXC 
First Images From Chandra X-Ray Observatory to be Released 23 Aug 99 First Images From Chandra X-Ray Observatory to be Released NASA