News tagged with high-energy gamma rays

Gamma rays reach beyond the limits of light

Researchers have discovered a highly efficient way to produce high energy photon beams. The obtained energy is a billion times higher than the energy of photons in visible light. These high-intensity gamma rays significantly ...

dateOct 20, 2017 in Optics & Photonics
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Exchanges of identity in deep space

By reproducing the complexity of the cosmos through unprecedented simulations, a new study highlights the importance of the possible behaviour of very high-energy photons. In their journey through intergalactic magnetic fields, ...

dateSep 08, 2017 in General Physics
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Fermi sees gamma rays from 'hidden' solar flares

An international science team says NASA's Fermi Gamma-ray Space Telescope has observed high-energy light from solar eruptions located on the far side of the sun, which should block direct light from these events. This apparent ...

dateJan 30, 2017 in Astronomy
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A blazing gamma-ray source

Blazars are galaxies whose central, supermassive black holes are accreting material from surrounding regions. Although black hole accretion happens in many galaxies and situations, in the case of a blazar the infalling material ...

dateJun 06, 2016 in Astronomy
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GRaND seeks subsurface water ice on Ceres

The Gamma Ray and Neutron Detector (GRaND) aboard NASA's Dawn spacecraft is mapping the elemental composition of Ceres in a low altitude orbit, about 240 miles (385 kilometers) above the surface of the dwarf planet.

dateMar 23, 2016 in Space Exploration
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