Dead Star Creates Mystery Shock Wave

Astronomers have found a dead star, known as a white dwarf, that is producing a powerful shock wave. This shock wave has been around for at least 1,000 years! Scientists are trying to understand how this star, which doesn't have a visible disk, can create such a strong wave. They believe its magnetic field might play a role, but there could also be an unknown source of energy at work.

Based on reporting from ScienceDaily. Read the original story →