AMESN writes "The Fermi Gamma-ray Space Telescope, launched last year, detects gamma rays from light years away, but recently it detected gamma rays from lightning on Earth. And the energy of the gamma rays is specific to the decay of positrons, which are... ...full story at slashdot
from slashdot on Sat, Nov 07 2009
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| 17 Oct 08 |
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NASA's Fermi telescope discovers first gamma-ray-only pulsar » digg About three times a second, a 10,000-year-old stellar corpse sweeps a beam of gamma-rays toward Earth. Discovered by NASA's Fermi Gamma-ray Space Telescope, the object, called a pulsar, is the first one known that only "blinks" in gamma rays. |
| 16 Dec 08 |
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Lightning-Storm Gamma Rays Could Harm Air Travelers » digg The most energetic particles in the electromagnetic spectrum could pose a danger to commercial airline passengers. About every 3000 hours of flying time, a plane is hit with a bolt of lightning. Recently, spacecraft have found gamma rays can be created by... |
| 28 Aug 08 |
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NASA Images Show Gamma Ray Bursts Across Milky Way - washing » digg NASA researchers yesterday released images collected by a new telescope studying high-energy gamma rays. A combined image from 95 hours of the telescope's initial observations showed bursts of gamma rays glowing across the plane of the Milky Way. |
| 28 Aug 08 |
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New Map From Fermi Gamma-Ray Space Telescope » slashdot I Don't Believe in Imaginary Property writes "NASA has received interesting results from the Fermi Gamma-ray Space Telescope, originally known as GLAST, which has allowed them to create new map of the gamma-ray sky. The secret to its ability to resolve... |
| 21 Feb 09 |
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Most Extreme Gamma-Ray Blast Yet Detected » slashdot Matt_dk sends in a quote from a story at NASA: "The first gamma-ray burst to be seen in high-resolution from NASA's Fermi Gamma-ray Space Telescope is one for the record books. The blast had the greatest total energy, the fastest motions and the... |
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