After six months on the International Space Station, the German astronaut Matthias Maurer started his return flight to Earth on Thursday.
As could be seen in a live stream from the US space agency Nasa, he and three US astronauts undocked from the ISS in a Dragon capsule from the private space company SpaceX. Maurer left for the ISS in November last year as an astronaut for the European Space Agency (ESA).
Together with the NASA astronauts Raja Chari, Thomas Marshburn and Kayla Barron, who are now setting off to earth with him, Matthias Maurer researched in the areas of physics, biology, medicine and artificial intelligence and tested new technologies. At an altitude of 400 kilometers, he experimented with weightless water, new types of concrete mixtures for sustainable construction on earth and bio-plasters made from skin cells.
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