New observations from NASA's Hubble Space Telescope have investigated the nature of the powerful gamma-ray burst GRB 190114C by studying its environment. Shown in this artist's conception, gamma-ray bursts are the most powerful explosions in the universe. They emit most of their... NASA, ESA and M. Kornmesser

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   Fraser Cain (fraser@m.universetoday.com)'s status on Saturday, 12-Apr-2025 04:44:19 JST Fraser Cain

   Gamma-ray bursts are some of the most powerful explosions in the Universe, briefly outshining the combined light of their entire galaxies. A team of astronomers has figured out a clever technique to use the light from gamma-ray bursts as bright lights that allow them to map out the large-scale structure of the Universe at different ages after the Big Bang. They found that the Universe might be less uniform at large scales than previously thought.

   https://arxiv.org/abs/2504.05354