The longest spacewalk ever by American astronauts took place in 2001 and lasted almost nine hours. Do you know how long the very first U.S. spacewalk lasted? | NASA's Johnson Space Center

1.1M views · 55K reactions | Airplanes fly about 600 mph, but the International Space Station orbits Earth at 17,500 mph and looks like a very bright star moving across the sky. Did you know that you can track when the station will pass overhead? Find out when and where to look up: https://go.nasa.gov/33qrAy1 | NASA - National Aeronautics and Space Administration | Facebook