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His second mission also takes the astronaut into a world that we humans hardly know. With the marine biologist Antje Boetius, Gerst follows the routes of the whales off the Azores and searches for wrecks and creatures of the deep sea in the research submersible at a depth of 1000 meters. Watch the entire series in the ARD media library https://1.ard.de/alexander-gerst-auf-... The astronaut and geophysicist Alexander Gerst is on a new mission. His goal: to uncover the secrets of the most extreme regions of the earth. His view of the earth from space has repeatedly shown him how little we know about our home planet. With research teams, the astronaut is now venturing near the North Pole and diving into the eternally dark deep sea in the Atlantic. Diving into unknown depths His second mission also takes the astronaut into a largely unknown world: "In the depths of the Atlantic", Gerst and marine biologist Antje Boetius follow the routes of whales off the Azores and embark on an expedition into the deep sea, 1000 meters beneath the waves. Eternal darkness, cold, extreme pressure: In the research submersible, the duo of explorers explore hidden coral reefs, the creatures of the deep sea and a submarine wreck that has become an oasis of life on the seabed. At a lonely seamount, Alexander Gerst experiences manta rays on their thousands of kilometers long journey. For him, the expedition was "an unforgettable experience in one of the last great wilderness areas on earth". This SWR documentary has the original title: Alexander Gerst on Expedition - In the Depths of the Atlantic, broadcast date: December 26, 22. #swrdoku #swr All statements and facts correspond to the status at the time and have not been updated since then. Subscribe to the channel: / swrdoku You can find more documentaries on our channel or in the ARD Mediathek at https://www.ardmediathek.de/swr/swr-d...