Astronomers find first ever gamma ray clock

Astronomers using the H.E.S.S. telescopes have discovered the first ever modulated signal from space in Very High Energy Gamma Rays – the most energetic such signal ever observed.

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<p><a href="http://www.physorg.com/news83855046.html">Astronomers find first ever gamma ray clock</a></p> <p>Astronomers using the H.E.S.S. telescopes have discovered the first ever modulated signal from space in Very High Energy Gamma Rays – the most energetic such signal ever observed. </p>