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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.

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
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
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.