[Urdu] All the Starlight in our Universe: Kainaati Gup Shup

How much light have all the stars produced in the entire history of the universe? This sounds like an unanswerable question. But astronomers have now used black holes at the center of some galaxies (Blazars) to come up with with the answer. For the answer, please watch the video. This information will also shed light on the future of the universe. This is Kainaati Gup Shup with astrophysicist Salman Hameed. And please subscribe to Kainaat Astronomy. Credits: 100 Billion Galaxies Animation by Loïc Hommel (https://www.youtube.com/watch?v=wfBVFP_ap-o&t=37s) Blazar Animation Credits: NASA’s Goddard Space Flight Center (https://www.nasa.gov/feature/goddard/2018/nasa-s-fermi-traces-the-history-of-starlight-across-cosmos)