NASA and astronauts!They do not exceed the limits of the sky. Everything they do, flying with planes, engines and equipment, helps them stay at a height of 300 to 400 kilometers. Gravity eclipses. The higher the altitude, the less the weight.
-
-
Thanks. Twitter will use this to make your timeline better. UndoUndo
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.