Some say they are the result of celestial collisions, or of starquakes occurring on extremely powerful neutron stars. (ibtimes.com)
The afterglow is believed to be the aftermath of a massive starquake on the neutron star's surface. (public.nrao.edu)
Baglin and everyone else immediately realized that a spacecraft designed to detect the light fluctuations caused by starquakes might also be able to detect a planet. (discovermagazine.com)