Researchers believe that the burst must be giant flare erupting out of a magnetar, a kind of neutron star. It offers an ...

Another theory is that it could be a rare, giant flare from a distant magnetar – neutron stars with extremely strong magnetic fields. These flares are some of the most explosive events in the ...

Flares range from A, B, C, M, and X with a zero to nine scale in each category (or even higher for giant X flares). So a C5 is just about dead center of the scale. You might not have noticed ...