1,726,331 views
Gravity - the force of gravity. Nothing and no one can escape it. The mysterious force surrounds and penetrates us. Gravity determines our life on earth, holds the universe together and is the key to understanding the universe. In this new SPACETIME episode, astronaut and scientist Ulrich Walter addresses the topic of gravity. ???? 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 #Gravitation #Doku Thumbnail Background Image Credit: NASA/JPL-Caltech