The “magnetar,” or magnetic neutron star known as Soft Gamma Repeater 1806-20, is the universe's most powerful known magnetic object. The field strength of a magnetar is one thousand trillion times stronger than Earth’s. Magnetars have magnetic fields a thousand times stronger than ordinary neutron stars that measure a million billion Gauss, or about a hundred-trillion refrigerator magnets. For comparison, the Sun’s magnetic field is only about 5 Gauss.
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