Science, Maths & Technology
Why is discovering gravitational waves from a neutron star collision a big deal?
...energy in a fraction of a second than the sun will pump out in ten billion years. For several decades we have observed these gamma ray bursts, but without knowing for sure what causes them. However, just 1.7 seconds after the gravitational waves from GW170817 arrived at the Earth, NASA’s Fermi satellite observed a short burst of gamma rays in the same general region of...