Astronomers spot mysterious gamma-ray explosion, unlike any detected before

Astronomers have detected an unprecedented gamma-ray burst (GRB) that repeatedly exploded over 24 hours, defying known astrophysical models. This mysterious explosion in a distant galaxy was located using ESO's Very Large Telescope after initial detection by NASA's Fermi Gamma-ray Space Telescope. Unlike typical GRBs, this event lasted 100-1000 times longer and produced multiple bursts. Scientists are considering unusual explanations, such as a massive star collapse or a white dwarf torn apart by a black hole, but the true nature remains unexplained despite ongoing observations.