News tagged with gamma radiation

NASA telescopes set limits on space-time quantum 'foam'

A team of scientists has used X-ray and gamma-ray observations of some of the most distant objects in the universe to better understand the nature of space and time. Their results set limits on the quantum nature, or "foaminess," ...

dateMay 28, 2015 in Astronomy
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Heart of a galaxy emits gamma rays

(PhysOrg.com) -- Quite a few distant galaxies turn out to be cosmic delivery rooms. Large numbers of massive stars are born in the hearts of these starburst galaxies, and later explode as supernovae. In the remnants they ...

dateOct 02, 2009 in Astronomy
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Very High Energy Gamma Rays

(PhysOrg.com) -- Gamma-rays are the most energetic known form of electromagnetic radiation, with each gamma ray being at least one hundred thousand times more energetic than an optical light photon. The most potent gamma ...

dateSep 25, 2009 in Astronomy
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