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SUNDAY, NOVEMBER 22, 2009
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NEWS ABOUT: gamma rays

gamma rays stories: 4 news summaries

 Farthest-Ever Star Blast 
 From Ancient Cosmos 

Gamma ray burst took 13 billion years to reach Earth

Oct 29, 09 8:09 AM CDT
(Newser) - Astronomers have detected a cosmic object more distant than any ever seen: a gamma ray burst about 13 billion light-years from Earth. The massive, luminous burst occurred about 600 million years after the Big Bang—that is, when the universe was 4% of its current age—and only lasted for... More »

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NASA • astronomy • star • Big Bang • universe • gamma rays

 Massive Gamma Blast Spotted 

Explosion had force of 9,000 supernovas

Feb 20, 09 1:15 PM CST
(Newser) - The strongest-ever gamma ray blast—a burst more powerful than 9,000 exploding stars—has been detected 12.2 billion light years away in deep space, reports the Telegraph. The blast took place in September in the constellation Carina, and produced energy up to 5 billion times that of... More »

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space • deep space • Big Bang • explosion • astrophysics • cosmology • gamma rays

 Exploding Star
 Brightest Object Ever Seen

Brightest object ever observed by humans

Mar 22, 08 9:26 AM CDT
(Newser) - Light from a star that exploded billions of years before the Earth was formed have been spotted by terrestrial astronomers, Space.com reports. The gamma-ray burst from halfway across the universe was the most distant object ever seen by the naked eye, and the brightest object ever observed by humans.... More »

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NASA • astronomy • star • universe • Arthur C. Clarke • gamma rays

Star Could Fire Death Ray
at Earth

Perfect spiral 8K light years away produces gamma rays

Mar 10, 08 3:49 PM CDT
(Newser) - Don't freak out, but an unstable star a mere 8,000 light years away could go supernova at any time, sending a massive gamma ray burst hurtling toward Earth, possibly destroying the ozone layer and blasting half of the planet with deadly radiation. WR 104 is what's known as a... More »

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supernova • gamma rays • ozone layer

4 Stories


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