-Stellar black holes, mid-mass black holes, and supermassive black holes.
18 Dec 12
A galaxy cluster about 1.3 billion light years from Earth with a large elliptical galaxy in its center.
11 Jun 12
New evidence from Chandra challenges prevailing ideas about how supermassive black holes grow in the centers of galaxies.
11 Jun 12
A galaxy, located 85 million light years away, with an unusually large central black hole.
04 Jun 12
The galaxy at the center of this image contains an X-ray source, CID-42, with exceptional properties.
03 May 12
A galaxy about 2.7 billion light years from Earth with a supermassive black hole at its center.
08 Feb 12
Illustration of the supermassive black hole at the center of the Milky Way galaxy.
17 Nov 11
A stellar-mass black hole in orbit with a companion star located about 6,000 light years from Earth.
15 Jun 11
A composite image combines the deepest X-ray image with optical and infrared data.
12 Jan 11
A system containing a black hole about 14 times the Sun's mass in orbit with a companion star.
15 Nov 10
A supernova that was seen to explode in 1979 from Earth, found in the galaxy M100.
30 Jun 10
A source in the Cosmic Evolution Survey field thought to be at a distance of almost 4 billion light years.
25 Mar 09
A stellar-mass black hole with about 14 times the Sun’s mass in the Milky Way.
16 Apr 08
Clouds of gas near the central black hole brightened and faded quickly in X-ray light.
10 Jan 08
A sample of nine galaxies each containing supermassive black holes in their centers.
10 Jan 08
A sample of nine galaxies each containing supermassive black holes in their centers.
10 Jan 08
A sample of nine galaxies each containing supermassive black holes in their centers.
10 Jan 08
A sample of nine galaxies each containing supermassive black holes in their centers.
25 Oct 07
A compilation of long observations on the same patch of sky.
17 Oct 07
A binary system in the galaxy M33 where a large companion star is in orbit around a black hole.
03 Jan 07
Astronomers have found a black hole where few thought they could ever exist, inside a globular star cluster.
21 Jun 06
A binary star system consisting of a black hole and a normal star, located about 11,000 light years from Earth.
24 Apr 06
A galaxy 12 million light years from Earth that is undergoing a burst of star formation.
13 Oct 05
Chandra's image of the Galactic Center has provided evidence for a new and unexpected way for stars to form.
01 Jun 04
Supermassive black hole in a young galaxy billions of light years from Earth.
01 Jun 04
Supermassive black hole in a young galaxy billions of light years from Earth.
05 Jan 04
Jets from SS 433 may be originating five times closer to the black hole than previously thought.
19 Jun 03
The Chandra Deep Fields cover two separate regions in the North and South.
19 Jun 03
The Chandra Deep Fields cover two separate regions in the North and South.
06 Jan 03
This image of Sgr A* was made from the longest X-ray exposure of that region to date.
11 Dec 02
This image shows two high speed lobes 5 trillion kilometers apart on opposite sides of a binary black hole system.
03 Oct 02
A binary star system of a black hole and a normal star located in the Milky Way about 17,000 light years away.
05 Sep 01
A compact radio source in the center of our Milky Way Galaxy thought to be a supermassive black hole.
05 Jun 01
This Chandra image shows a population of point-like "ultraluminous" X-ray sources in M82.
07 May 01
Chandra image of a spectrum of a black hole, which is similar to the colorful spectrum of sunlight produced by a prism.
13 Mar 01
A view of one of the most intensively studied patches of the night sky.
13 Mar 01
This image shows that gigantic black holes were much more active in the past than the present.
11 Jan 01
This illustration depicts gas from a companion star being drawn by gravity onto a black hole.
Revised: December 19, 2012