After the neutron stars merged, the remains of the jets that produced the gamma-ray burst continue expanding into space, as shown in this illustration. After nine days, the jet directed toward us had spread laterally enough that observers could detect its X-ray emission. Credit: NASA's Goddard Space Flight Center/CI Lab
Columbia, Maryland—October 16, 2017. A team of scientists from Universities Space Research Association (USRA) noticed on August 17, 2017, that missing data for the most recent transient event or “trigger” of the Gamma-ray Burst Monitor (GBM) on-board NASA’s Fermi satellite had halted the automatic processing of the data. There was no hint that anything extraordinary was happening.
The Gamma-ray Burst Monitor (GBM) on Fermi, picked up a brief pulse of gamma rays that seconds lat...Read more from this release