This NASA image from Swift’s Ultraviolet/Optical (white, purple) and X-ray telescopes (yellow and red) were combined in this view of a cosmic burst at the center of distant galaxy that has burned for more than a week, longer than astronomers have ever seen before, the US space agency said. NASA
NASA is studying a surprising cosmic burst at the center of distant galaxy that has burned for more than a week, longer than astronomers have ever seen before, the US space agency said Thursday.
Calling it "one of the most puzzling cosmic blasts ever observed," NASA said it has mobilized the Hubble Space Telescope along with its Swift satellite and Chandra X-ray Observatory to study the phenomenon.
"More than a week later, high-energy radiation continues to brighten and fade from its location," NASA said in a statement.
"Astronomers say they have never seen such a bright, variable, high-energy, long-lasting burst before. Usually, gamma-ray bursts mark the destruction of a massive star, and flaring emission from these events never lasts more than a few hours."
The first in a series of explosions was detected by a NASA telescope on March 28 in the constellation Draco.
Astronomers think the the blast occurred "when a star wandered too close to its galaxy’s central black hole," NASA said.
"Intense tidal forces probably tore the star apart, and the infalling gas continues to stream toward the hole. According to this model, the spinning black hole formed an outflowing jet along its rotational axis. A powerful blast of X- and gamma rays is seen when the jet is pointed in our direction."
On April 4, the Hubble telescope spotted the source of the explosion at the center of a galaxy 3.8 billion light-years away from Earth.
"We have been eagerly awaiting the Hubble observation," said Neil Gehrels, the lead scientist for Swift at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.
"The fact that the explosion occurred in the center of a galaxy tells us it is most likely associated with a massive black hole. This solves a key question about the mysterious event."
The Swift telescope has catalogued the event as gamma-ray burst (GRB) 110328A, alerting worldwide astronomers to its existence for further study.
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This upcoming Thanksgiving Day is sure to offer you and your family plenty of opportunities to argue over whether America should be welcoming Syrian refugees.
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Homegrown French ISIS fighters have issued a chilling threat of new attacks on France just 24 hours after the terrorist group used movie footage of the Eiffel Tower's collapse in another video.
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The two became a ...
The Right Stuff's flagship podcast "The Daily Shoah" has been censored by Soundcloud 2015-11-25 22:56
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No counter culture humor making fun of the genocidal mainstream garbage is allowed!
Soundcloud took it upon ...
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Chancellor Angela Merkel vowed on Wednesday to stick to her open-door refugee policy, defying criticism at home and abroad which has intensified due to growing fears about a potential security risk after the Islamist attacks in Paris.
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