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Peculiar X-Ray Burst Has Astronomers Stumped - Space.com

Astronomers spotted a peculiar burst of bright X-rays in a distant area of the universe, and they're not quite sure where it came from. NASA's Chandra X-ray Observatory detected the outburst, called CDF-S XT1, in a region known as the Chandra Deep ...and more »

A Mysterious Flash From a Faraway Galaxy - New York Times

It was a spark in the night. A flash of X-rays from a galaxy hovering nearly invisibly on the edge of infinity. Astronomers say they do not know what caused it. The orbiting Chandra X-ray Observatory, was in the midst of a 75-day survey of a patch of ...and more »

The Cosmic Explosion That Astronomers Can't Figure Out - Observer

In a small galaxy 10.7 billion light years away, a mysterious flash of x-rays discovered by NASA's Chandra X-ray Observatory are hypothesized to have been caused by some sort of destructive event, but astronomers have never seen or studied anything ...and more »

Mysterious cosmic explosion puzzles astronomers - Astronomy Now Online

A mysterious flash of X-rays has been discovered by NASA's Chandra X-ray Observatory in the deepest X-ray image ever obtained. This source likely comes from some sort of destructive event, but may be of a variety that scientists have never seen before.and more »

Nasa's Chandra X-Ray observatory discovers a brand new type of 'cataclysmic event' - Tech2 (blog)

A mysterious flash of X-rays probably resulting from a "completely new type of cataclysmic event" in space has been discovered by Nasa's Chandra X-ray Observatory, a study says. A mysterious flash of X-rays probably resulting from a "completely new ...and more »

Deepest X-ray Image Ever Made Contains Mysterious Explosion - Universe Today

For over sixty years, astronomers have been exploring the Universe for x-ray sources. Known to be associated with stars, clouds of super heated gas, interstellar mediums, and destructive events, the detection of cosmic x-rays is challenging work. In ...and more »

A Strange Explosion in a Galaxy Billions of Light-Years Away Has Scientists Stumped - Futurism

For a few minutes in October 2014, a mysterious explosion occurred in a galaxy about 10.7 billion light-years away from Earth. The magnitude of the explosion was so intense that it produced 1,000 times more energy than all of the stars in its entire ...and more »

NASA Mystery: Brilliant Flash from Deep Space Baffles Astronomers –“Unlike Any Ever Seen Before” (VIDEO) - The Daily Galaxy

A mysterious X-ray source discovered in Chandra Deep Field-South data, giving the deepest X-ray image ever made, became 1,000 times brighter over a few hours before fading dramatically in about a day. Hubble and Spitzer data indicate this source is ...and more »

Chandra caught a huge explosion that disappeared in a day - Astronomy Magazine

Chandra, the venerable orbiting X-ray telescope, just caught a big explosion 10 billion light-years away in an image called the Chandra Deep Field-South. But it came just as quickly as it went, and now astronomers are trying to figure out what it might ...and more »

NASA Chandra X-Ray Observatory detects mysterious cosmic explosion, origin still unknown - News Heads

New Delhi : NASA scientists have spotted a mysterious flash in the universe in the deepest X-ray image ever using its Chandra X-ray Observatory. The flash spotted is unexplainable has been described by experts as a “completely new type of cataclysmic ...and more »