NASA’s Fermi telescope reveals the power source behind monster supernovae
NASA’s Fermi telescope has detected what may be the first confirmed gamma-ray signal from a superluminous supernova — one of the most extreme explosions in the universe. Scientists believe the blast was powered by a rapidly spinning magnetar, an exotic neutron star with unbelievably strong magnetic fields. The event, called SN 2017egm, erupted 440 million light-years away and may help explain why some supernovae become extraordinarily bright.
NASA's Fermi telescope has potentially identified the first gamma-ray signature from a superluminous supernova, an exceptionally powerful cosmic explosion. This event, designated SN 2017egm and occurring 440 million light-years distant, is believed to have been fueled by a magnetar. Magnetars are a type of neutron star characterized by incredibly intense magnetic fields and rapid rotation.
This observation could provide crucial insights into the mechanisms driving the universe's most brilliant stellar explosions.
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