Dark matter could help us understand the origins of gamma radiation

Afaint glow of gamma radiation — the unresolved gamma-ray background — fills the sky. This energy is not evenly distributed, as this light (much more energetic than can be seen by the human eye) is concentrated where the greatest amount of matter is found in the early Universe, while regions containing less matter exhibit lower emissions of radiation. This correlation between matter and the unresolved gamma-ray background, could help astrophysicists better understand the nature of dark matter, a new study suggests. The energy which makes up this background radiation comes from sources so far away from us that they cannot…

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