SPACE JUNK Fast And Dangerous SPACETIME SCIENCE SHOW

Humanity is leaving more and more traces in space. Every mission, every launch of a satellite means more objects in earth orbit. Countless parts are now orbiting our planet. But the waste means a growing danger - not only for manned spaceflight, but also for functioning satellites, on which our digital infrastructure depends. Scientist and astronaut Ulrich Walter explains what space junk is made of and how it should be avoided in the future

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