744K views · 16K reactions | The key to getting off to a good start on a spacewalk? Hours of practice. See how astronauts Mike Hopkins and Victor Glover put what they learned on the ground to use in space. NASA TV coverage begins at 5:30 a.m. EST on Mon., Feb. 1: www.nasa.gov/live | NASA - National Aeronautics and Space Administration | Facebook

Today’s #spacewalk officially concludes at 2:41 p.m. EDT. NASA astronauts Jeff Williams and Kate Rubins completed all of the planned tasks plus a few extra “get-ahead” operations. During their 6 hour and 48 minutes spacewalk, the duo successfully retracted a thermal radiator, installed two enhanced high definition cameras on the station’s exterior and tightened bolts on a joint that enables one of the station’s solar arrays to rotate. Find out more: http://go.nasa.gov/2c84Mbl | NASA - National A

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