Here's a view you don't normally see on the other end of feet! 'This is what a spacewalk is: 400km of void under your feet,' wrote European Space Agency astronaut Thomas Pesquet (thom_astro). Two astronauts spent Friday morning working outside the International Space Station (ISS) in the vacuum of space! Credit; NASA/ESA #nasa #space #iss #astronauts #spacestation #ESA #astronaut #spacewalk #ISS #expedition50 #mission #proxima