We think of outer space as pretty empty, but that's not the case around planet Earth. There are millions of pieces of man-made debris floating around. This debris causes potential problems for astronauts, satellites, and other important pieces of equipment circling Earth. This fast-paced webcast will look at what's out there and how NASA keeps an eye on it.
Ask an Expert lectures are informal gallery talks presented every week at the National Mall Building in Washington, DC and every other week at the Udvar-Hazy Center in Chantilly, VA. Staff discuss aviation and space topics typically centered around collections on display in the Museum.