Editor’s note: This story was updated February 19 after Michael Briggs of NASA’s Goddard Space Flight Center in Greenbelt., Md., reported that the gamma-ray burst known as GRB 080916C is the most energetic burst known.
Editor’s note: This story was updated February 19 after Michael Briggs of NASA’s Goddard Space Flight Center in Greenbelt., Md., reported that the gamma-ray burst known as GRB 080916C is the most energetic burst known.