A typical gamma ray burst lasting seconds or minutes produces about the same energy as our sun does over the course of its entire multi-billion-year lifecycle.
The center of our galaxy is located around 26,500 light-years away from Earth.
The latest findings shed new light on supernova explosions and the late stages of stellar evolution.
The strange events were identified by a project set up to investigate dark energy, an unexplained force that scientists think is accelerating the universe's expansion.
When massive stars come to the end of their life cycles, they self-destruct in a cataclysmic final explosion.