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19 Dec 01
Chandra's image of the elliptical NGC 4636 shows spectacular symmetric arms, or arcs, of hot gas.
29 Nov 01
First X-ray image of Venus shows a half crescent due to the relative orientation of the Sun, Earth and Venus.
22 Oct 01
A young, oxygen-rich supernova remnant with a pulsar at its center surrounded by outflowing material.
18 Oct 01
A type of celestial object that has long stumped astronomers has been found to emit X-rays.
12 Oct 01
(Andromeda Galaxy)
Chandra and Hubble Space Telescope images of two recently detected emitting globular star clusters.
06 Sep 01
(B1509)
A neutron star located about 19,000 light years away in the constellation Circinus.
06 Sep 01
This illustration depicts a nova binary system just before an explosion on the surface of the white dwarf.
06 Sep 01
A cluster of galaxies 4 billion light years distant in the constellation Draco.
06 Sep 01
Chandra's observation showed that KS 1731-260 is a remarkably 'cool' 3 million degrees Celsius.
06 Sep 01
Chandra's image of M15 shows that it is not one neutron star binary system, but two neutron star binary systems.
05 Sep 01
A compact radio source in the center of our Milky Way Galaxy thought to be a supermassive black hole.
09 Aug 01
A portion of the plane of the Milky Way Galaxy in the constellation Scutum.
06 Aug 01
A nearby massive elliptical galaxy with an active galactic nucleus in the constellation Centaurus.
13 Jun 01
This image of NGC 7027 represents the first detection of X-rays from this young planetary nebula.
06 Jun 01
This composite image shows an envelope of 60-million-degree gas around the Arches cluster.
05 Jun 01
A plume of 5 million degree gas in the central region of the galaxy extending above and below the disk of the galaxy.
05 Jun 01
This Chandra image shows a population of point-like "ultraluminous" X-ray sources in M82.
05 Jun 01
This Chandra X-ray image shows the central regions of two colliding galaxies known collectively as "The Antennae."
29 May 01
Different points-of-views from which astronomers observe quasars with X-ray satellites.
17 May 01
A globular cluster located about 15,000 light years from Earth in the constellation of Tucana.
14 May 01
Chandra's observations of a large, nearby galaxy in the constellation of Circinus.
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.
04 Apr 01
Data from this Chandra image suggest that gamma-ray bursts originate in regions of star formation.
13 Mar 01
This image shows that gigantic black holes were much more active in the past than the present.
13 Mar 01
A view of one of the most intensively studied patches of the night sky.
05 Mar 01
A new Chandra image shows remarkable detail and complexity in the central region of a compact galaxy.
22 Jan 01
A bustling region of star birth in the Carina spiral arm of the Milky Way galaxy.
11 Jan 01
This illustration depicts gas from a companion star being drawn by gravity onto a black hole.
10 Jan 01
A supernova remnant with a central pulsar, located in the constellation of Sagittarius.
Revised: June 02, 2022