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Supernova 'chirp' reveals the birth of a magnetar for the first time

The discovery of a newborn magnetar inside a distant supernova helps explain why some stellar explosions shine far brighter than others. Magnetars are among the most powerful objects in the universe, but astronomers rarely get the chance to see one being born. When massive stars die, they usually follow a familiar script. The star runs out of fuel, its core collapses, and the outer la... [7570 chars]

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