The Nobel prize for physics in 2017 was awarded to Rainer Weiss, Barry C. Barish and Kip S. Thorne, their contribution for winning the award related :
AFor decisive contributions to the LIGO detector and the observation of gravitational waves.
BFor the prediction of gravitational waves with the help of general theory of relativity
CFor detecting a huge Black hole in the centre of Milky Way, galaxy.
DFor theoretical discoveries of topological phase transitions and topological phases of matter.