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Latest Compton Gamma Ray Observatory Stories

de5256b3218bdb1c04785d7470b1e1931
2010-01-30 07:30:00

High-energy bursts of gamma rays typically occur far out in space, perhaps near black holes or other high-energy cosmic phenomena - so imagine scientists' surprise in the mid-1990s when they found these powerful gamma ray flashes happening right here on Earth, in the skies overhead.

2010-01-27 12:43:00

WASHINGTON, Jan. 27 /PRNewswire-USNewswire/ -- Astronomers studying two exploding stars, or supernovae, have found evidence the blasts received an extra boost from newborn black holes.

0df6c677b3752b72366b90f020a6aec51
2010-01-27 12:53:04

Astronomers studying two exploding stars, or supernovae, have found evidence the blasts received an extra boost from newborn black holes.

9ba86059dca887afedc3c4a7dd4b2d38
2009-12-07 11:25:00

Washington University physicists are closing in on the origin of cosmic rays.

d94ccd1e5576dac54eb88f548552302a
2009-11-02 10:37:07

Nearly 100 years ago, scientists detected the first signs of cosmic rays - subatomic particles (mostly protons) that zip through space at nearly the speed of light.

1350f059e8647bce7aa25f1bc13852f31
2009-10-28 13:25:00

During its first year of operations, NASA's Fermi Gamma Ray Space Telescope mapped the extreme sky with unprecedented resolution and sensitivity.

c439cd247231f7f190de5253f281531c1
2009-09-09 11:45:00

Scientists at the Naval Research Laboratory (NRL) Space Science Division and a team of international researchers have positively identified cosmic sources of gamma-ray emissions through the discovery of 16 pulsating neutron stars.

b7e41d07ac958366f94fce27ef32a3081
2009-07-23 09:10:00

Ten years ago, on July 23, 1999, NASA's Chandra X-ray Observatory was launched aboard the space shuttle Columbia and deployed into orbit.

2009-07-23 08:07:00

WASHINGTON, July 23 /PRNewswire-USNewswire/ -- Ten years ago, on July 23, 1999, NASA's Chandra X-ray Observatory was launched aboard the space shuttle Columbia and deployed into orbit.

87ad5a151e6c3aa967c13ba63eef13251
2009-07-14 15:45:00

Back in June 1991, just before the launch of NASA's Compton Gamma-Ray Observatory, astronomers knew of gamma rays from exactly one galaxy beyond our own.


Latest Compton Gamma Ray Observatory Reference Libraries

sts-37
2012-03-24 09:56:35

Atlantis launched from Kennedy Space center on April 5, 1991 at 9:22 AM EST and landed at Edwards Air Force Base on April 11 at 6:55 AM EST. The shuttle orbited 93 times at an altitude of 248 nautical miles at an inclination of 28.45 degrees and travelled 2.5 million miles. The mission lasted 5 days, 23 hours, 32 minutes, and 44 seconds. The first spacewalk since 1985 was performed by two astronauts to test the ability to move themselves and equipment about while working on the planned...

7_7ab115b117284658644e345b89f5ba712
2004-10-19 04:45:43

Gamma-Ray Astronomy -- Gamma-ray astronomy is the astronomical study of gamma rays. Long before experiments could detect gamma rays emitted by cosmic sources, scientists had known that the universe should be producing these photons. Work by Feenberg and Primakoff in 1948, Hayakawa and Hutchinson in 1952, and, especially, Morrison in 1958 had led scientists to believe that a number of different processes which were occurring in the universe would result in gamma-ray emission. These...

6_f3739d4b04b11a1c267bfcc286610ef92
2004-10-19 04:45:41

Hypernova -- A hypernova is a theoretical type of supernova produced when exceptionally large stars collapse at the end of their lifespan. In a hypernova, the core of the star collapses directly into a black hole and two extremely energetic jets of plasma are emitted from its rotational poles at nearly light speed. These jets emit intense gamma rays, and are a candidate explanation for gamma ray bursts. Theorists have come up with several plausible explanations for hypernovae. It may...

6_f5324ad7d5514381282c99963af8be7c2
2004-10-19 04:45:41

Gamma-Ray Burst -- In astronomy, Gamma-ray bursters (GRBs) are flashes of gamma rays that last from seconds to hours, the longer ones being followed by several days of X-ray afterglow. They occur at random positions in the sky several times each day. They are now believed to result from tremendous explosions in far away galaxies, during the creation of a black hole from a dying star or two colliding neutron stars. The black hole, surrounded by a rotating disk of matter falling into it,...

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Word of the Day
pudic
  • Easily ashamed, having a strong sense of shame; modest; chaste.
  • Of or pertaining to the external organs of generation.
The word 'pudic' comes from French pudique, from Latin pudīcus, from pudet ("it shames"). (Wiktionary)
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