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11 Dec 02
This image shows two high speed lobes 5 trillion kilometers apart on opposite sides of a binary black hole system.
22 Oct 02
An elliptical galaxy located about 80 million light years from Earth in the Constellation Cetus.
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.
19 Sep 02
The remnant of a supernova located 6,000 light years from Earth in the constellation Taurus.
19 Aug 02
320 year old remnant of a massive star that exploded in the constellation Cassiopeia.
07 Aug 02
An active galaxy located about 11 million light years from Earth in the constellation Centaurus.
31 Jul 02
(PKS 2155-304)
This artist's conception depicts a huge cloud of hot gas 800 million light years from Earth.
25 Jun 02
A distant supernova remnant with a bright ring of high-energy particles and a central point-like source.
06 Jun 02
This artist's conception depicts a neutron star located about 7,000 light years from Earth.
04 Jun 02
The elliptical galaxy NGC 4697 reveals diffuse hot gas dotted with many point-like sources.
04 Jun 02
The elliptical galaxy NGC 4649 reveals diffuse hot gas dotted with many point-like sources.
04 Jun 02
The elliptical galaxy NGC 1553 reveals diffuse hot gas dotted with many point-like sources.
22 May 02
A supernova remnant located in the Large Magellanic Cloud about 160,000 light years from Earth.
07 May 02
Arp 270 shows two galaxies about 90 million light years from Earth in the early stage of a merger.
23 Apr 02
(30 Doradus)
Tarantula Nebula gives scientists a close-up view of the drama of star formation and evolution.
19 Apr 02
Arp 220 gives new insight into what happens when two galaxies the size of the Milky Way collide.
10 Apr 02
A compact star about 400 light years from Earth in the constellation Corona Australis.
10 Apr 02
A supernova remnant with a central pulsar about 10,000 light years from Earth in the constellation Cassiopeia.
04 Apr 02
A cluster of galaxies about 500 million light years from Earth in the constellation Coma Berenices.
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.
29 Jan 02
A cluster of galaxies about 170 million light years from Earth, located in the constellation Centaurus.
09 Jan 02
A 400 by 900 light-year mosaic of images located about 25,000 light years from Earth.
09 Jan 02
Observations of a region of the Galactic Center found an X-ray filament and cloud.
08 Jan 02
A cluster of galaxies about a billion light years from Earth, located in the constellation Aquarius.
Revised: June 02, 2022