3. What do you understand by gravitational waves? Discuss the importance of LIGO in this regard. Posted by IASbaba Categories Uncategorized Date March 11, 2016 Comments 95 comments [New Batch] IASbaba’s Courses- UPSC 2021 : e-CLP, ILP, AIPTS, TLP Connect- ADMISSIONS OPEN! -> Click Here Share: IASbaba