A supernova remnant and pulsar located 6000 light years from Earth in the constellation of Taurus.
November 5th, 2008
This composite image shows the galaxy cluster Abell 521, located about 2.9 billion light years from Earth.
October 15th, 2008
A supernova remnant with a light echo in the Large Magellanic Cloud.
March 20th, 2008
A massive elliptical galaxy about 55 million light years away in the Virgo Cluster.
November 10th, 2008
An active galaxy at a distance of 10 million light years from Earth.
January 30th, 2009
A young star in the Taurus region of star formation, about 450 light years from Earth.
April 9th, 2008
Spectacular death of a star in the constellation Taurus was observed on Earth as the supernova of 1054 A.D.
November 23rd, 2009
A powerful collision of two galaxy clusters about 5.6 billion light years away.
August 27th, 2008
A large spiral galaxy about 25 million light years away in the constellation Ursa Major.
November 24th, 2008
The largest galaxy in the Virgo cluster of galaxies at a distance of 60 million light years away.
August 5th, 2008
A supernova remnant about 7,000 light years from Earth.
December 7th, 2001
An elliptical galaxy at a distance of about 300 million light years.
February 5th, 2008
This composite shows a classic example of mixed-morphology supernova remnant known as W28.
June 2nd, 2008
A stellar-mass black hole with about 14 times the Sun's mass in the Milky Way.
March 25th, 2009
A supernova in Circinus galaxy about 12 million light years away.
September 25th, 2008
A region of active star formation about 4,000 light years from Earth.RCW 108:
Massive Young Stars Trigger Stellar Birth
October 6th, 2008
A star cluster about 20,000 light years from Earth.
January 23rd, 2008
An elliptical galaxy about 51 million light years from Earth in the constellation Virgo.
July 16th, 2008
A galaxy cluster about 840 million light years from Earth.
September 14th, 2009
Giant reservoirs of hydrogen gas about 10 billion light years away.
June 24th, 2009
A 1700-year-old pulsar and its nebula, located about 17,000 light years from Earth.
April 3rd, 2009
The supernova remnant that was Chandra's "First Light" image that has been observed over time.
January 6th, 2009
A supernova remnant in the Milky Way with a neutron star at its center.
November 4th, 2009
A 400 by 900 light-year mosaic of images located about 26,000 light years from Earth in the constellation Sagittarius.
September 22nd, 2009
A ridge-like structure near the center of the Milky Way of X-ray emission discovered by earlier telescopes.
April 29th, 2009
Chandra X-ray Observatory image of the region around SN 2008D, obtained about 10 days after the supernova explosion.
May 21st, 2008
A galaxy harboring a giant black hole about 780 million light years away.
July 21st, 2010
Cepheus B: A cloud of molecular hydrogen in the Milky Way about 2,400 light years from Earth.
August 11th, 2009
A galaxy, about 600 million light years away, with a supermassive black hole at its center.
May 14th, 2009
Officially known as 1E0102.2-7219, a supernova remnant in the Small Magellanic Cloud.
July 23rd, 2009
A multiwavelength three-dimensional (3-D) reconstruction of a supernova remnant has been created.
A face-on spiral galaxy about 22 million light years from Earth.
February 10th, 2009
A new study reveals how often some of the biggest black holes are active.
December 20th, 2010
A Sun-like star in its red giant phase about 1,000 light years from Earth.
September 14th, 2010
PSR J0108-1431: The oldest pulsar detected in X-rays at a distance of about 770 light years from Earth.
February 26th, 2009
A black hole in close orbit around a blue supergiant star about 6,000 light years from Earth.
August 27th, 2009
A galaxy cluster located about 3.2 bilion light years from Earth.
August 30th, 2010
One of the most complex galaxy clusters, located about 5.4 billion light years from Earth.
April 16th, 2009
A supernova remnant located in the Small Magellanic Cloud, about 190,000 light years from Earth.
December 6th, 2009
A supermassive black hole in a distant galaxy, about 10 billion light years away.
May 28th, 2009
A galaxy cluster located about 10.2 billion light years from Earth.
October 22nd, 2009
A massive "wall" of galaxies at a distance of 400 million light years from Earth.
May 11th, 2010
A pair of colliding galaxies about 62 million light years from Earth.
August 5th, 2010
A star with a planet in very close orbit around it, about 880 light years from Earth.
September 13th, 2011
The largest region of star formation in the nearby galaxy M33.
January 27th, 2009
A pair of colliding galaxies at a distance of about 180 million light years from Earth.
December 9th, 2009
A galaxy lies about 110 million light years away
March 11th, 2009
A galaxy about 330 million light years from Earth.
October 6th, 2009
Supernova remnants representing two different types of supernova explosions.
October 23rd, 2008
A cluster of galaxies about 600 million light years from Earth.
April 14th, 2012
A galaxy plunging into the cluster Abell 3627 about 230 million light years away.
January 21st, 2010
The hot, expanding debris of a supernova observed in 1572.
February 18th, 2009
This beautiful image gives a new look at a compact group of galaxies discovered about 130 years ago and located about 280 million light years from Earth.
July 13th, 2009
A supernova remnant in the Milky Way, about 8,200 light years from Earth.
June 26th, 2009
The nearest starburst galaxy to Earth at a distance of 12 million
April 29th, 2012
Two pairs of galaxies in a large survey that covers a large patch -- two square degrees -- on the sky
October 25th, 2011
A galaxy cluster with a central quasar located about 8 billion light years away.
October 26th, 2010
A slowly rotating neutron star with a very weak magnetic field at its surface.
October 14th, 2010
A source in the Cosmic Evolution Survey field thought to be
at a distance of almost 4 billion light years.
June 30th, 2010
A galaxy about 12.7 million light years away containing a so-called microquasar.
July 7th, 2010