0 votes 0 votes Advanced LIGO recently observed the Black Hole activity Gravitational waves UFO Sun Temperature General Awareness nielit2016mar-scientistd general-awareness + – Lakshman Bhaiya asked Apr 3, 2020 • recategorized Nov 4, 2020 by Krithiga2101 Lakshman Bhaiya 13.7k points 706 views answer comment Share See all 0 reply Please log in or register to add a comment.
0 votes 0 votes (B) Gravitational waves. Read more here. Nikhil_dhama answered May 25, 2021 Nikhil_dhama 906 points comment Share See all 0 reply Please log in or register to add a comment.