Magnetar 1 (of 3) (IMAGE)

Penn State

Magnetar 1 (of 3)

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Deep at the heart of this event, the core has shrunk into a fantastically dense magnetar, a neutron star possessing a magnetic field trillions or even quadrillions of times stronger than Earth's. The magnetism is what powers the long glow of X-rays seen by Earthbound scientists.

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