Black Hole's Violent Feast Creates Brightest Cosmic Explosion Ever Recorded

Astronomers have uncovered the cause of the brightest cosmic explosion of its kind ever recorded. Known as AT 2024wpp, the event was triggered by a black hole violently tearing apart a massive star. This discovery sheds new light on a rare and extreme phenomenon in space. The explosion, detected in September 2024, was classified as a Luminous Fast Blue Optical Transient (LFBOT). Unlike typical supernovas, AT 2024wpp released energy 100 times more powerful. Observations in 2025 and 2026 tracked its rapid evolution across ultraviolet, optical, near-infrared, X-ray and radio wavelengths.

Scientists determined that the blast resulted from an 'extreme tidal disruption'—a black hole shredding its companion star within days. The doomed star was likely a massive Wolf-Rayet, a type known for its intense brightness and strong stellar winds. NASA's Chandra X-ray Observatory and other telescopes captured the event's high-energy X-ray, UV and blue light emissions. Researchers also found that the black hole had been siphoning material from the star long before the final, catastrophic destruction. Currently, only about one LFBOT is spotted each year. However, future space-based UV telescopes like ULTRASAT and UVEX are expected to detect many more such events.

The findings confirm that LFBOTs occur when black holes violently destroy nearby massive stars. AT 2024wpp's record-breaking luminosity and rapid changes set it apart from previous observations. With advanced telescopes on the horizon, scientists anticipate uncovering further examples of these rare cosmic explosions.