ARCHIVE: Real World: Keeping the International Space Station in Orbit
Each day, gravity pulls the International Space Station, or ISS, a little closer to Earth. See how drag causes the ISS to slow down. Learn about the challenges of keeping the ISS in orbit and how NASA counteracts orbital decay. Since the production of this video, construction of the ISS has been completed and the Space Shuttle has been retired.
Published on: May 29, 2012