Gravitational waves and co.: How we unravel the cosmos (full episode) Quarks

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Quarks

Published on Feb 8, 2020
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The cosmos is vast and full of strange, amazing objects and energies. In this episode of Quarks, we investigate a sensational signal from the cosmos: It was triggered by a gravitational wave that was created over 1.3 billion years ago in a massive collision in space. (Broadcast on January 23, 2018) Based on this incredible event in the cosmos, we approach the phenomenon of gravity and explain Albert Einstein's theory of relativity, which predicted gravitational waves in the cosmos over 100 years ago. Ranga Yogeshwar travels to the USA to visit the world's largest detector for gravitational waves (LIGO), which constantly searches the cosmos for signs of cosmic events. We are looking for answers to the most exciting questions in astronomy: How did the cosmos actually come into being? What do we know about the Big Bang and what does the background radiation tell us? What does the cosmos actually consist of and how big is it? Adrian Pflug uses practical examples to illustrate how the cosmos is structured. Finally, we pay tribute to Stephen Hawking, because we owe a large part of our understanding of the cosmos to him. Hawking understood the cosmos like no one before him by thinking about the effects of large accumulations of mass and using this to formulate some of the most important theories about black holes and the cosmos. And finally, we clarify: Yes, the cosmos is expanding. Authors: Daniel Haase, Jana Hüttenmeister, Ulrich Grünewald, Heinz Greuling, Sanaz Saleh-Ebrahimi, Ilka aus der Mark, Ulf Kneiding, Sebastian Funk, Frank Wittig --- Thanks for watching! Did you like the video? Then subscribe now to the only official Quarks channel on YouTube: https://www.youtube.com/Quarks?sub_co... Quarks on Facebook: / quarks.de Visit also: https://www.quarks.de #Quarks on Instagram: / quarks.de / beautyquarks Here you can find the clip in the WDR media library: https://www1.wdr.de/mediathek/video/s... #Cosmos #Gravitationwaves

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