Gamma-ray
Extreme Jets Take New Shape
The new study reveals that most of the jet's light—gamma rays, the universe's most energetic form of light—is created much farther from the black hole than…
Magnetic Power Revealed in Gamma-Ray Burst Jet
The burst occurred January 2, 2009. NASA’s Swift satellite observed its position and immediately notified telescopes all over the world via the Internet. When…
NRL's Large Area Telescope explores high-energy particles
Cosmic rays are electrons, positrons, and atomic nuclei that move at nearly the speed of light. Astronomers believe that the high-energy cosmic rays originate…
NASA's Fermi Finds Gamma-ray Galaxy Surprises
“Compton showed us that two classes of active galaxies emitted gamma rays — blazars and radio galaxies,” said Luigi Foschini at Brera Observatory of the…
NASA's Fermi Telescope Probes Dozens of Pulsars
In two studies published in the July 2 edition of Science Express, international teams have analyzed gamma-rays from two dozen pulsars, including 16 discovered…
NASA's Fermi Telescope reveals a population of radio-quiet gamma-ray pulsars
A new class of pulsars detected by NASA's Fermi Gamma-ray Space Telescope is solving the mystery of previously unidentified gamma-ray sources and helping…