Astronaut Quotes and aphorisms about ground Chris Hadfield Alan Shepard Gene Cernan Gene Cernan Scott Kelly Scott Kelly Valentina Tereshkova Valentina Tereshkova Peggy Whitson ,, Life in zero gravity is hard to simulate. We practice on the ground what we call 'the day in the li... Anne McClain ,, We have a great NASA support team that uplinks the nightly news. And if we have favorite TV shows o...