Big Quote by Chris Hadfield

Spacewalking is a little like rock climbing in that everything, including and especially oneself, must be tethered or docked at all times. If you…

— Mary Roach

You're very well trained for the spacewalk, so when you go outside, it's not like the movies.

— Leroy Chiao

Spacewalking trumps everything. Viscerally, it is a phenomenal place to be; to be able to glance right and see the world, glance left and…

— Chris Hadfield

You have a lot of things to do when you're out on a space walk, and that sort of overwhelms your mind.

— Sunita Williams

It is an incredible treat and certainly one of the highlights of any astronaut's career to do a spacewalk.

— Luca Parmitano

Of course, you'll have to meet the physical and psychological demands. A space walk takes a lot of energy.

— Leroy Chiao

We are going into space, and we need protection. And in case we need to space walk, we'll have to go outside.

— Kyle Gass

The best simulator for spacewalking is underwater - it allows full visuals and body movement in 3D. Virtual reality is good, too, and has…

— Chris Hadfield

The rough and ready improvisational quality to life on board the International Space Station is reminiscent of a long trip in a sailboat: privacy…

— Chris Hadfield

Congress often covers the exposed crotch of our human spaceflight program with the figleaf of science when it's an obvious lie to justify the…

— Rick Tumlinson

We're pretty interested in microbial communities on-board space stations. It's a closed-loop system. Our water is recycled; our air is recycled.

— Kathleen Rubins

One thing in space, just like home: you cannot escape housework. Every Saturday is clean-the-station day.

— Shannon Walker