As seen in this rare (NASA?) footage, to prepare for gravity-free environments, astronauts train in special planes that fly in parabolic patterns to create around 40 seconds of weightlessness at a time.


http://ift.tt/2B963dc
As seen in this rare (NASA?) footage, to prepare for gravity-free environments, astronauts train in special planes that fly in parabolic patterns to create around 40 seconds of weightlessness at a time. As seen in this rare (NASA?) footage, to prepare for gravity-free environments, astronauts train in special planes that fly in parabolic patterns to create around 40 seconds of weightlessness at a time. Reviewed by Unknown on 01:02 Rating: 5
Powered by Blogger.