GRB 970228 was the first gamma-ray burst for which an afterglow was observed. It was detected on 28 February 1997 at 02:58 UTC. Since 1993, physicists had predicted GRBs to be followed by a lower-ener
GRB 970228
Artist's illustration showing the life of a massive star as it goes supernova, collapses into a black hole, and emits a gamma-ray burst along its axis of rotation Credit: Nicolle Rager Fuller/NSF
In gamma-ray astronomy, gamma-ray bursts are extremely energetic events occurring in distant galaxies that represent the brightest and most powerful class of explosion in the Universe. These extreme e
GRB 970228
…GRB 970228 was the first gamma-ray burst (GRB) for which an afterglow was observed. It was detected on 28 February 1997 at 02:58 UTC. Since 1993, physicists had predicted GRBs to be followed…
Positions on the sky of all gamma-ray bursts detected during the BATSE mission. The distribution is isotropic, with no concentration towards the plane of the Milky Way, which runs horizontally through the center of the image.
The Italian–Dutch satellite BeppoSAX, launched in April 1996, provided the first accurate positions of gamma-ray bursts, allowing follow-up observations and identification of the sources.
NASA's Swift Spacecraft launched in November 2004