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X-ray Astronomy Field Guide: Quasars & Active Galaxies
Chandra Images by Category: Quasars & Active Galaxies

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

09 Oct 24
A black hole located about 210 million light-years from Earth.
09 Sep 24
Cores of two galaxies are on a collision course.
14 Aug 24
A "tidal disruption event" located about 860 million light-years from Earth.
22 Jul 24
25 Images for Chandra's 25th Anniversary
22 Jul 24
25 Images for Chandra's 25th Anniversary
22 Jul 24
25 Images for Chandra's 25th Anniversary
11 Jun 24
A study of over 8,000 rapidly growing black holes.
21 Mar 24
A rapidly growing supermassive black hole, or quasar, located about 3.4 billion light-years from Earth.
13 Sep 23
Five new multiwavelength images featuring Chandra data.
20 Jul 23
A galaxy cluster located about 8.4 billion light-years from Earth.
02 May 23
An active galaxy about 12 million light years from Earth.
22 Feb 23
Merging dwarf galaxies about 760 million and 3.2 billion light-years away respectively.
22 Feb 23
Merging dwarf galaxies about 760 million light-years away.
22 Feb 23
Merging dwarf galaxies about 3.2 billion light-years away.
31 Aug 21
A single or pair of growing supermassive black holes located 11.8 billion light-years from Earth.
14 Apr 21
A galaxy with a supermassive black hole at its center located about 55 million light years from Earth.
09 Mar 21
A quasar located about 12.7 billion light years from Earth.
14 Jan 21
Two of seven triple galaxy mergers that are located between 370 million and one billion light years away from Earth.
14 Jan 21
One of seven triple galaxy mergers located about 890 million light years from Earth.
14 Jan 21
One of seven triple galaxy mergers located about 960 million light years from Earth.
14 Oct 20
Over 700 supermassive black holes at a range of distances.
23 Apr 20
A galaxy with a central supermassive black hole about 250 million light years from Earth.
06 Jan 20
A galaxy with a supermassive black hole about 55 million light years from Earth.
18 Nov 19
A galaxy cluster located about 5.8 billion light years from Earth.
25 Sep 19
A trio of black holes located about a billion light years from Earth.
11 Sep 19
A galaxy containing a supermassive black hole about 250,000 light years from Earth.
08 Aug 19
A black hole obscured by gas and dust about 13 billion light years from Earth.
03 Jul 19
Six quasars ranging in distance from 8.8 billion to 10.9 billion light years from Earth.
03 Jul 19
Six quasars ranging in distance from 8.8 billion to 10.9 billion light years from Earth.
03 Jul 19
Six quasars ranging in distance from 8.8 billion to 10.9 billion light years from Earth.
03 Jul 19
Six quasars ranging in distance from 8.8 billion to 10.9 billion light years from Earth.
10 Apr 19
The core of a galaxy about 50 million light years from Earth.
14 Mar 19
(Teacup Quasar)
A quasar located about 1.1 billion light years from Earth.
14 Feb 19
A quasar located about 3.4 billion light years from Earth.
29 Jan 19
About 1,600 rapidly growing black holes located up to 12.7 billion light years from Earth.
09 Jan 19
A large galaxy in the middle of a galaxy cluster about 760 million light years away.
11 Jan 18
A galaxy with a supermassive black hole about 800 million light years away.
30 Nov 17
An object possibly containing two supermassive black holes about 2.6 billion light years away.
03 Oct 17
Two pairs of merging supermassive black holes
03 Oct 17
Two pairs of merging supermassive black holes
26 Jun 17
Arp 299: A system of merging galaxies located about 140 million light years from Earth.
11 May 17
A candidate recoiling black hole located in an elliptical galaxy about 3.9 billion light years away.
14 Feb 17
The central galaxy in this cluster harbors a supermassive black hole.
06 Feb 17
An X-ray source located in a small galaxy about 1.8 billion light years from Earth.
09 Nov 16
An active galaxy located about 590 million light years from Earth.
19 Oct 16
(Centaurus A, Cen A)
An elliptical galaxy, also known as Centaurus A, located about 12 million light years away.
14 Oct 16
Six objects ranging in location from about 20,000 to nearly 3 billion light years away.
10 Aug 16
A galaxy and a cloud of cool gas located about 680 million light years from Earth.
16 Feb 16
A black hole with an X-ray jet about 11 billion light years from Earth.
02 Feb 16
A galaxy with an extensive jet located about 500 million light years from Earth.
30 Sep 15
A galaxy cluster nicknamed the "Phoenix Cluster" located about 5.7 billion light years from Earth.
11 Aug 15
The smallest supermassive black hole ever detected in the center of a galaxy.
28 May 15
Extremely tiny bubbles and irregularities in space-time predicted by certain theories.
28 May 15
Extremely tiny bubbles and irregularities in space-time predicted by certain theories.
28 May 15
Extremely tiny bubbles and irregularities in space-time predicted by certain theories.
28 May 15
Extremely tiny bubbles and irregularities in space-time predicted by certain theories.
28 May 15
Extremely tiny bubbles and irregularities in space-time predicted by certain theories.
30 Apr 15
Three of 51 distant quasars ranging from about 5 billion to 11.5 billion light years from Earth.
30 Apr 15
Three of 51 distant quasars ranging from about 5 billion to 11.5 billion light years from Earth.
30 Apr 15
Three of 51 distant quasars ranging from about 5 billion to 11.5 billion light years from Earth.
30 Apr 15
Three of 51 distant quasars ranging from about 5 billion to 11.5 billion light years from Earth.
22 Jan 15
Five objects at various distances that have been observed by Chandra
21 Oct 14
Six images that combine Chandra data with those from other telescopes.
21 Oct 14
Six images that combine Chandra data with those from other telescopes.
02 Jul 14
Messier 106, is located about 23 million light years from Earth.
23 Apr 14
Four images of galaxies that have been made using data from both amateur and professional telescopes.
05 Mar 14
A quasar located about 6 billion light years from Earth.
06 Feb 14
This galaxy contains a gargantuan jet blasting away from a central supermassive black hole.
28 Oct 13
An assortment of images from Chandra's public repository.
28 Oct 13
An assortment of images from Chandra's public repository.
15 May 13
A galaxy located about 850 million light years from Earth.
28 Nov 12
A quasar at a distance of about 12.4 billion light years from Earth.
24 Oct 12
A black hole located in the middle of the spiral galaxy NGC 4178
15 Aug 12
A galaxy cluster, whose official name is SPT-CLJ2344-4243, located about 5.7 billion light years from Earth.
04 Jun 12
The galaxy at the center of this image contains an X-ray source, CID-42, with exceptional properties.
25 Oct 11
Two pairs of galaxies in a large survey that covers a large patch on the sky.
25 Oct 11
Two pairs of galaxies in a large survey that covers a large patch on the sky.
31 Aug 11
A spiral galaxy with two supermassive black holes.
11 Aug 11
A pair of galaxies located about 450 million light years from Earth.
10 Mar 11
A galaxy with an actively growing black hole at its center.
20 Dec 10
A galaxy 920 million light years away from Earth.
20 Dec 10
A galaxy 1.1 billion light years away from Earth.
18 Aug 10
A massive galaxy about 50 million light years away in the Virgo Cluster.
30 Jun 10
A source in the Cosmic Evolution Survey field thought to be at a distance of almost 4 billion light years.
11 May 10
A massive "wall" of galaxies at a distance of 400 million light years from Earth.
03 Mar 10
A spiral galaxy about 50 million light years from Earth containing a supermassive black hole.
03 Feb 10
A system containing a pair of quasars about 4.6 billion light years away.
14 May 09
A galaxy, about 600 million light years away, with a supermassive black hole at its center.
30 Jan 09
An active galaxy at a distance of 10 million light years from Earth.
05 Aug 08
The largest galaxy in the Virgo cluster of galaxies at a distance of 60 million light years away.
09 Jan 08
Jet Power and Black Hole Assortment Revealed in New Chandra Image
17 Dec 07
Black Hole Fires at Neighboring Galaxy
24 Jul 07
Two clusters of galaxies about 5.7 billion light years from Earth.
24 Jul 07
Two clusters of galaxies about 5.7 billion light years from Earth.
12 Apr 07
Observations of the galaxy NGC 1365 have captured an eclipse of the supermassive black hole at its center.
10 Apr 07
A spiral galaxy about 25 million light years from Earth, also known as M106.
29 Mar 07
Astronomers think that there are enormous black holes at the centers of most, if not all, galaxies.
12 Mar 07
This panorama is the largest contiguous field ever obtained by the Chandra X-ray Observatory.
05 Oct 06
An elliptical galaxy known in the Virgo cluster about 50 million light years away.
20 Jun 06
A quasar over 3 billion light years from Earth.
06 Apr 06
A galaxy cluster with a central galaxy, NGC 1128, that has produced a giant double radio source known as 3C 75.
23 Mar 06
This illustration depicts a quasar in the center of a galaxy that has turned on and is expelling gas at high speeds.
02 Feb 05
X-ray spectrum from a quasar located 400 million light years from Earth.
22 Nov 04
A quasar seen as it was 12.7 billion light years ago.
29 Oct 04
A galaxy in the constellation of Virgo.
06 Jul 04
(H1413+117)
A quasar about 11 billion light years from Earth.
10 May 04
Long-exposure image of the giant elliptical galaxy M87.
17 Nov 03
The quasar GB1508+5714 reveals a jet of high-energy particles.
09 Jul 03
An active galaxy approximately 50 million light years from Earth.
21 May 03
One of two massive galaxies that are enveloped by vast clouds of high-energy particles.
21 May 03
One of two massive galaxies that are enveloped by vast clouds of high-energy particles.
23 Apr 03
A powerful jet in an active galaxy located about 11 million light years from Earth.
25 Mar 03
High-speed winds blowing gas away from a supermassive black hole.
13 Sep 02
A galaxy cluster in the constellation Serpens.
07 Aug 02
An active galaxy located about 11 million light years from Earth in the constellation Centaurus.
28 Mar 02
A quasar 13 billion light years from Earth.
28 Mar 02
A quasar 13 billion light years from Earth.
28 Mar 02
A quasar 13 billion light years from Earth.
13 Mar 02
A closely aligned pair of quasars about 11 billion light years from Earth in the constellation Pisces.
06 Feb 02
A quasar about 10 billion light years from Earth located in the constellation Crater.
26 Sep 01
A giant elliptical galaxy 50 million light years away in the constellation Virgo.
06 Aug 01
A nearby massive elliptical galaxy with an active galactic nucleus in the constellation Centaurus.
29 May 01
Different points-of-views from which astronomers observe quasars with X-ray satellites.
14 May 01
Chandra's observations of a large, nearby galaxy in the constellation of Circinus.
15 Feb 01
A cluster of galaxies some 10 billion light years from Earth.
06 Nov 00
Flickering Quasar may help Chandra Measure the Expansion Rate of the universe
06 Nov 00
A galaxy, some 700 million light years away, with a central black hole.
06 Nov 00
A quasar over 3 billion light years from Earth.
06 Jun 00
X-ray jet extends from active galaxy toward hot spot.
05 Jun 00
X-ray image of large gas cloud near a black hole.
25 May 00
X-ray spectrum probes black hole environs.
03 Apr 00
Newly discovered powerful X-ray source in a distant galaxy.
20 Mar 00
Image of veiled black hole.
17 Feb 00
X-ray spectrum of the central region of the galaxy NGC 5548.
25 Oct 99
Centaurus A (NGC 5128) is a radio galaxy in the constellation Centaurus.
26 Aug 99
A luminous quasar in the constellation Mensa so distant that we see it as it was 6 billion years ago.