"If I can get some student interested in science, if I can show members of the general public what's going on up there in the space program, then my job's been done."
Christa McAuliffe

200 FAMOUS QUOTES · SPACE
Explore the universe with 200 space quotes by Carl Sagan, Neil Armstrong, Kalpana Chawla, Sunita Williams, Stephen Hawking and Sally Ride.
"If I can get some student interested in science, if I can show members of the general public what's going on up there in the space program, then my job's been done."
Christa McAuliffe
"I'd love to go back to space, I don't know any astronaut who doesn't want to."
Helen Sharman
"You don't go into space just for the science. I think the reason we should be in space is for the exploration; it's the human endeavour."
Helen Sharman
"The world, when you look at it, it just can't be random. None of the other planets even remotely resemble the precious life-giving nature of our own planet."
Chris Hadfield
"On Earth, men are seen as superior because of their physical strength, but it means nothing in space, where there is no gravity."
Yi So-Yeon
"I wanted to set the standard, do the best job possible so that other people would be comfortable with African-Americans flying in space and African-Americans would be proud of being participants in the space program."
Guion Bluford
"I would have taken whatever hand I was dealt. Space was it."
Story Musgrave
"I think most astronauts are not risk takers. We take calculated risks for something that we think is worthwhile."
Michael J. Massimino
"It's great to see that, on this space station, we can work across cultures in a very cooperative way."
Scott Kelly
"The world itself looks cleaner and so much more beautiful. Maybe we can make it that way – by giving everyone, eventually, that new perspective from out in space."
Roger B. Chaffee
"I don't think the human race will survive the next thousand years, unless we spread into space."
Stephen Hawking
"Einstein's general theory of relativity allows for the possibility that we could warp space-time so much that you could go off in a rocket and return before you set out."
Stephen Hawking
"You're small in time and in space. And you have this frail vessel called the human body that's limited on Earth."
Neil deGrasse Tyson
"Space exploration is a force of nature unto itself that no other force in society can rival."
Neil deGrasse Tyson
"If you fall into a black hole, you will see the entire future of the Universe unfold in front of you in a matter of moments."
Neil deGrasse Tyson
"Philosophically, the universe has really never made things in ones. The Milky Way? No, it's one of a hundred billion galaxies. And the universe – maybe it's countless other universes."
Neil deGrasse Tyson
"The universe is a symphony of strings, and the mind of God that Einstein eloquently wrote about for thirty years would be cosmic music resonating through eleven-dimensional hyper space."
Michio Kaku
"In the galaxy, half a billion stars have Earth-like planets going around them. So when we look at the night sky, it makes sense that someone is looking back at us."
Michio Kaku
"Sooner or later, we will face a catastrophic threat from space. If we prepare now, we better our odds of survival. The dinosaurs never knew what hit them."
Michio Kaku
"If the Earth gets hit by an asteroid, it's game over. It's control-alt-delete for civilization."
Bill Nye
"String theory envisions a multiverse in which our universe is one slice of bread in a big cosmic loaf."
Brian Greene
"Einstein's gravitational theory resulted in beautiful relations connecting gravitational phenomena with the geometry of space; this was an exciting idea."
Richard P. Feynman
"What we observe as material bodies and forces are nothing but shapes and variations in the structure of space."
Erwin Schrödinger
"Absolute space, in its own nature, without regard to anything external, remains always similar and immovable."
Isaac Newton
"The feeling is constantly growing on me that I had been the first to hear the greeting of one planet to another."Nikola Tesla