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A Once-in-500-Year Event

On 9 October, astronomers observed GRB 221009A—the most energetic gamma-ray burst ever recorded. Remarkably, Technion physicists Professors Arnon Dar and Shlomo Dado had just published a paper predicting such an event’s energy and characteristics. Their “cannonball model” links gamma-ray bursts and cosmic rays, offering new insights into these rare cosmic phenomena.

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