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The expanding remains of a supernova explosion in the Milky Way are seen in this composite image. Supernova remnant G1.9+0.3 is the youngest known supernova remnant in the Galaxy — about 140 years old — easily beating the previous record of about 330 years for Cassiopeia A.

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This composite image of supernova remnant N132D shows a glowing horseshoe-shaped cloud of hot gas against a backdrop of thousands of stars in the Large Magellanic Cloud. The X-ray glow in this image is produced primarily by shock wave heating of interstellar gas to temperatures of about 10 million degrees Celsius.

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This is a multiwavelength view of the massive spiral galaxy NGC 5746. The galaxy resides in the constellation Virgo, about 100 million light years from Earth.

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A powerful pulsar known as PSR B1509-58, or B1509 for short, is a rapidly spinning neutron star which is spewing energy out into the space around it to create complex and intriguing structures. Located about 17,000 light years from Earth, B1509 is spinning completely around almost 7 times every second and is releasing energy into its environment at a tremendous...
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These multiwavelength observations show powerful X-ray auroras observed near the poles of Jupiter.

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An eruption from a supermassive black hole combined with a galaxy cluster merger can create a stupendous cosmic particle accelerator!

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A Tour of Abell 3411 & Abell 3412

There are many extraordinary things in the Universe. For example, astronomers have found many examples of supermassive black holes erupting in powerful outbu...

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This is the deepest X-ray image ever obtained, made with over 7 million seconds of observing time with NASA's Chandra X-ray Observatory. These data give astronomers the best look yet at the growth of black holes over billions of years beginning soon after the Big Bang.
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Tour of Chandra Deep Field South

What happens when astronomers use Chandra to take a long look at the same patch of sky? That's the question the project known as the Chandra Deep Field-South...

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This is an image of the elliptical galaxy NGC 1132 and its surrounding region. The galaxy is in the constellation Eridanus, about 300 million light years from Earth.

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Chandra Press Room (Jan. 5, 2017):
"Astronomers Discover Powerful Cosmic Double Whammy"
[ Chandra.si.edu Link ]

Using data from NASA's Chandra X-ray Observatory and several other telescopes, astronomers have discovered a cosmic one-two punch unlike any ever seen in a pair of colliding galaxy clusters called Abell 3411 and Abell 3412. This result shows that an eruption from a supermassive...
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Chandra Press Room (Jan. 5, 2017):
Chandra Deep Field-South
[ Chandra.si.edu Link ]

This is the deepest X-ray image ever obtained, made with over 7 million seconds of observing time with NASA's Chandra X-ray Observatory. These data give astronomers the best look yet at the growth of black holes over billions of years beginning soon after the Big Bang. #aas229
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This composite image of NGC 4696 shows a vast cloud of hot gas (red), surrounding high-energy bubbles 10,000 light years across (blue), on either side of the bright white area around a supermassive black hole. The green dots show infrared radiation from star clusters on the outer edges of the galaxy.

Want to know more? [ Chandra.si.edu Link ]
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This dramatic Chandra image of the nearby galaxy Centaurus A provides one of the best views to date of the effects of an active supermassive black hole. Opposing jets of high-energy particles can be seen extending to the outer reaches of the galaxy.

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Henize 2-10 is a dwarf starburst galaxy about 30 million light years from Earth. X-ray and radio data indicate a black hole at the center of Henize 2-10 with a mass about one million times that of the Sun.

Want to know more? [ Harvard.edu Link ]
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This multi-spectral view of M101 (aka, the "Pinwheel Galaxy") shows that both young and old stars are evenly distributed along M101's tightly-wound spiral arms. The light we're seeing in this image left the Pinwheel Galaxy about 21 million years ago -- many millions of years before humans ever walked the Earth.

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By analyzing multiwavelength data, scientists confirmed earlier suspicions that the ghostly arms in NGC 4258 represent regions of gas that are being violently heated by shock waves.

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This composite image shows El Gordo, an extraordinary galaxy cluster in the distant universe. Located over 7 billion light years from Earth, this cluster of galaxies is the most massive, the hottest, and gives off the most X-rays of any known cluster at this distance or beyond.

Want to know more? [ Chandra.si.edu Link ]
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In this Chandra image, four bright, variable X-ray sources were discovered within 3 light years of Sagittarius A*. Such a high concentration of X-ray binaries in this region is strong circumstantial evidence that a dense swarm of 10,000 or more stellar-mass black holes and neutron stars has formed here.

Want to know more? [ Chandra.si.edu Link ]
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Those aren't holiday lights! This Chandra mosaic of a region of the sky known as the Lockman Hole shows hundreds of X-ray sources. Many supermassive black holes were identified in this image as a result of Chandra's high spatial resolution.

Want to know more? [ Chandra.si.edu Link ]
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Chandra's image of the galaxy cluster Abell 2125 reveals a complex of several massive multimillion-degree-Celsius gas clouds in the process of merging.

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Located in our galaxy about 5,500 light years from Earth, NGC 6357 invokes thoughts of a frosty winter landscape.
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A Tour of NGC 6357

Although there are no seasons in space, this cosmic vista invokes thoughts of a frosty winter landscape. It is, in fact, a region called NGC 6357 where radia...

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