ScienceSpace Debris and Elon MuskTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceConor Dillon03/01/2018March 1, 201812,000 satellites – that's how many Elon Musk and his company SpaceX plan to have orbiting above our heads in the coming years. Space debris expert Hugh Lewis says this could be a problem… but doesn't have to be.https://p.dw.com/p/2tUuzAdvertisement