O4 – First detection LIGO-India > Gravity Matters > Poliglot > O4 – First detection #GWGreatestHits In this series, we recollect the greatest #GWScience discoveries till date. On September 14, 2015, the first gravitational waves were detected 100 Years after Einstein’s prediction, a discovery that revolutionised astrophysics! Click here to read all about the Indian contribution in the original press release Related Tweet