Fascination Universe: The Journey to the Edge of the World Harald Lesch Full Episode Terra X
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The vastness of the universe seems limitless. We cannot comprehend infinity with our minds. Is there perhaps a limit after all? Harald Lesch dares to look to the edge of the world. No object has ever penetrated further into space than the unmanned space probes Voyager 1 and 2. They have been on the move for over 40 years and are still sending information from the edge of our solar system to Earth. Both have now reached interstellar space - the developers themselves had not planned such a long journey. But these probes will not reach the sphere of influence of the nearest star for around 30,000 years. In the 16th century, even scholars believed that the stars orbited the Earth on crystal spheres. Giordano Bruno, a priest who dared to doubt this idea, paid for his foresight with his life. His idea of an infinite universe was not unfounded. But he did not have the opportunity to prove his ideas. There was no measuring stick with which to determine the distances to the stars. At the beginning of the 20th century, astronomers still believed that our Milky Way was the only galaxy in the universe. It was only the work of a clever woman that changed that. Henrietta Swan Leavitt, like many of her contemporaries, was only allowed to do scientific assistant work. She counted stars on photographic plates and provided the astronomers with the data. During the laborious evaluation of countless images of the sky, she noticed something: certain stars regularly change their brightness. With her observations, Henrietta Leavitt provided the basis for measuring the universe. With modern telescopes, we are measuring the cosmos with ever greater precision. The best known of these is the Hubble Space Telescope. Can it also send us messages from the edge of the universe? This video is a ZDF production. Subscribe? Just click here – / @terraxhistory All films and information about Terra X can be found here – https://terra-x.zdf.de/#xtor=CS3-82 Terra X on Facebook – / zdfterrax Terra X on Instagram – / terrax
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