Gamma ray bursts

Gamma ray bursts

What is a gamma ray burst?

How do gamma-ray bursts occur in massive stars when they die?
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Colliding dead stars create one of the biggest explosions ever seen

Huge stellar explosion forged some of the rarest elements in the Universe
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Rare neutrinos seen coming from a black hole

A burst of cosmic neutrinos originated in a flaring blazar. The discovery could help solve the century old question of where cosmic rays come from.
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Powerful gamma rays seen in distant galaxy

The light from a blazar could help find the density of the Universe’s photon fog
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