233,353 views
Humanity is leaving more and more traces in space. Every mission, every launch of a satellite means more objects in Earth's orbit. Countless parts are now orbiting our planet. But the waste represents a growing danger - not only for manned space travel, but also for functioning satellites on which our digital infrastructure depends. Scientist and astronaut Ulrich Walter explains what space junk consists of and how it should be avoided in the future. ???? More SPACETIME episodes • SPACETIME documentary series with Prof. Dr. Ul... ???????????? SPACE TRAVEL documentaries • DOCUMENTARIES: Space travel ???? More documentaries & reports http://bit.ly/WELTdokus ???? Subscribe to the WELT YouTube channel http://bit.ly/WeltVideoTVabo #Spacetime #SpaceJunk #Documentary