Researchers have discovered the remains of a nova in a galactic globular cluster, located near the center of Messier 22. The finding, using modern instruments, confirms one of the oldest observations of an event outside the solar system.
Researchers have discovered the remains of a nova in a galactic globular cluster, located near the center of Messier 22. The finding, using modern instruments, confirms one of the oldest observations of an event outside the solar system.