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Astronauts have to endure enormous forces during lift-off and landing in their rockets. Up to 10G, that's ten times earth's gravity, can push on the space pilots. To train them for these kinds of scenarios the astronauts are put into huge centrifuges. ESA-Astronaut Alexander Gerst explains how extreme acceleration feels and how he still manages to maneuver his spaceship.
Alexander Gerst already stayed at the ISS in 2014 and will be there again in 2018. He'll be commander of the ISS in the second half of his 6 months` stay.
Produced by ZDF, in coproduction with Gruppe 5.
Earth - Moon - Mars: ZDF „Terra X“ series documents Alexander Gerst's stay at the ISS. Watch it here: ly.zdf.de/A3ywB/
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