An international team of physicists, including University of Oregon
scientists, has concluded that last February's intense burst of gamma
rays possibly coming from the Andromeda Galaxy lacked a gravitational
wave. That absence, they say, rules out an initial interpretation that
the burst came from merging neutron stars or black holes within
Andromeda.
http://theanalystmagazine.com/pr/232328.html
Does this message imply that gravitational waves already