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VERITAS telescopes help solve 100-year-old mystery: The origin of cosmic rays

November 2, 2009

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.

Iowa State researchers contribute to discovery of gamma rays from starburst galaxy

November 2, 2009

AMES, Iowa - Iowa State University astrophysicists contributed to the recent discovery that a galaxy quickly creating new stars is also a source of high energy gamma rays.

Starburst galaxy sheds light on longstanding cosmic mystery

November 2, 2009

An international collaboration that includes scientists from the University of Delaware's Bartol Research Institute in the Department of Physics and Astronomy has discovered very-high-energy gamma

NASA's Fermi telescope detects gamma-ray from 'star factories' in other galaxies

November 2, 2009

Nearby galaxies undergoing a furious pace of star formation also emit lots of gamma rays, say astronomers using NASA's Fermi Gamma-ray Space Telescope.

VLBA locates superenergetic bursts near giant black hole

July 2, 2009

Using a worldwide combination of diverse telescopes, astronomers have discovered that a giant galaxy's bursts of very high energy gamma rays are coming from a region very close to the supermassive black hole at its core. The discovery provides important new information about the mysterious workings of the powerful "engines" in the centers of innumerable galaxies throughout the Universe.

Pinpointing origin of gamma rays from a supermassive black hole

July 2, 2009

An international collaboration of 390 scientists reports the discovery of an outburst of very-high-energy (VHE) gamma radiation from the giant radio galaxy Messier 87 (M 87), accompanied by a strong rise of the radio flux measured from the direct vicinity of its super-massive black hole.



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