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28 Nov 07
A neutron star created when a massive star exploded about 3,700 years ago.
25 Oct 07
A compilation of long observations on the same patch of sky.
23 Oct 07
A young supernova remnant 20,000 light years from Earth, in the constellation Centaurus.
17 Oct 07
A binary system in the galaxy M33 where a large companion star is in orbit around a black hole.
27 Sep 07
A planetary nebula about 7,000 light years from Earth in the constellation of Circinus.
20 Sep 07
A giant cluster of galaxies about 220 million light years from Earth with galaxy ESO 137-001 plunging into it.
30 Aug 07
200,000 light years away, the Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors.
27 Jun 07
A system where a neutron star is in orbit with a star several times the mass of the Sun.
20 Jun 07
A star between 100 and 150 more massive than the Sun, about 7,500 light years from Earth.
13 Jun 07
A supernova located in the Large Magellanic Cloud about 160,000 light years from Earth.
30 May 07
Evidence for an awesome upheaval in a massive galaxy cluster was discovered in a Chandra image.
30 Apr 07
(Sombrero Galaxy)
Sombrero (M104) is one of the largest galaxies in the nearby Virgo cluster, about 28 million 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.
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.
22 Feb 07
February 24, 2007 marks the 20th anniversary of the first observation of Supernova 1987A.
10 Jan 07
X-rays bounced off gas clouds near the Milky Way's supermassive black hole.
09 Jan 07
A supernova remnant believed to be created when a star exploded over 400 years ago.
04 Jan 07
DEM L238 and DEM L249 are two supernova remnants in the Large Magellanic Cloud.
03 Jan 07
Astronomers have found a black hole where few thought they could ever exist, inside a globular star cluster.