A. Supernovae explosions
B. Red giant stars
C. White dwarf mergers
D. Pulsar collisions
Details About Magnetars are believed to be formed from the remnants of:
A star with a mass 10–25 times that of the Sun collapsed to create them. A tablespoon of the material inside a magnetar would have a mass of more than 100 million tons due to the magnetar’s internal density.
