This week @NASA: Two astronauts went outside the International Space Station for a spacewalk, testing how our new rocket deals with shock, new Earth science field experiments and more! Watch: http://go.nasa.gov/2itHXmr
This week @NASA: Two astronauts went outside the International Space Station for a spacewalk, testing how our new rocket deals with shock, new Earth science field experiments and more! Watch: http://go.nasa.gov/2itHXmr
