TED2019: Space junk, rockets and aliens

Jane Wakefield reports from the TED conference in Vancouver, Canada, on the businesses shooting for the stars. Chief Executive of Rocket Lab Peter Beck shares his concerns about the amount of space junk being left in orbit. Former astronaut Nicole Stott explains why an ill-fitting space suit can be a big problem. And Assistant Professor of Astrophysics at University of Arizona, Erika Hamden, tells us why space exploration is suddenly cool again. (Photo: An astronaut in space, Credit: Getty Images)