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Gamma Ray Burst

All articles tagged with #gamma ray burst

science5 days ago

Astronomers Encounter Unexplained Deep-Space Gamma-Ray Bursts and Signals

Scientists detected a powerful gamma-ray burst from a supernova that exploded when the universe was only 730 million years old, making it the most distant such event ever observed. The discovery, confirmed by multiple telescopes including JWST, challenges previous assumptions about early star formation, showing that even in the universe's infancy, stars could undergo processes similar to those seen today.

science12 days ago

Astronomers Mystified by Unprecedented Seven-Hour Gamma-Ray Burst

A record-breaking gamma-ray burst lasting nearly seven hours was observed, challenging existing models of such cosmic explosions. The event, originating from a dusty galaxy billions of light-years away, involved a high-speed jet of material and may have resulted from various extreme astrophysical processes. This unprecedented observation offers a unique opportunity to study extreme physics in the universe.

science2 months ago

Unique Long-Lived Gamma-Ray Burst Challenges Existing Theories

Astronomers observed GRB 250702B, a gamma-ray burst with an unprecedented duration of nearly a day and possible repetition, originating from a large, dusty galaxy over five billion light-years away. Its unusual characteristics suggest it may result from an exotic event such as a massive star collapse, a tidal disruption event, or a black hole-star merger, potentially indicating a new type of cosmic explosion.

science3 months ago

Scientists Investigate Unexplained Repeating Cosmic Gamma-Ray Bursts

Scientists observed a mysterious, long-lasting gamma-ray burst that lasted nearly a day, unlike typical bursts that last milliseconds to minutes. The event, detected by NASA and Chinese space telescopes, appears to originate from beyond our galaxy and may involve an unusual black hole or a star being torn apart, making it a unique and puzzling cosmic phenomenon.