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Astronomy

Gamma-Ray Bursts from Collapsing Massive Stars

Quick fact

Long gamma-ray bursts are the most luminous explosions in the universe, releasing more energy in a few seconds than our Sun will in its entire lifetime.

Why this is interesting

Imagine an explosion a trillion times brighter than the Sun, but lasting only seconds—these are gamma-ray bursts, and we're just beginning to understand what causes them. What kind of cosmic event could be so incredibly powerful?