Space Quotes

What is the use of a house if you haven't got a tolerable planet to put it on?

Perhaps when distant people on other planets pick up some wavelength of ours all they hear is a continuous scream.

Once you've been in space, you appreciate how small and fragile the Earth is.

Ye stars! which are the poetry of heaven!

It suddenly struck me that that tiny pea, pretty and blue, was the Earth. I put up my thumb and shut one eye, and my thumb blotted out the planet Earth. I didn't feel like a giant. I felt very, very small.

We have never observed infinity in nature. Whenever you have infinities in a theory, that's where the theory fails as a description of nature. And if space was born in the Big Bang, yet is infinite now, we are forced to believe that it's instantaneously, infinitely big. It seems absurd.

Land on Mars, a round-trip ticket - half a million dollars. It can be done.

When many astronauts go to space, they see the insignificant size of the earth and vastness of space, and they become very religious, because they have seen the Signs of Allah.

The moon and other celestial bodies should be free for exploration and use by all countries. No country should be permitted to advance a claim of sovereignty.

When you're getting ready to launch into space, you're sitting on a big explosion waiting to happen.

Time travel used to be thought of as just science fiction, but 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.

If you're going to go to the moon, you don't shoot the rocket right at the moon. You have to go at it obliquely.

I'd love to go back to space, I don't know any astronaut who doesn't want to.

Space travel is the only technology that is more dangerous and more expensive now than it was in its first year. Fifty years after Yuri Gagarin, the space shuttle ended up being more dangerous and more expensive to fly than those first throwaway rockets, even though large portions of it were reusable. It's absurd.

Mining asteroids will ultimately benefit humanity on and off the Earth in a multitude of ways.

I don't think the human race will survive the next thousand years, unless we spread into space.

On Earth, men and women are taking the same risks. Why shouldn't we be taking the same risks in space?

Put three grains of sand inside a vast cathedral, and the cathedral will be more closely packed with sand than space is with stars.

The most important thing about Spaceship Earth - an instruction book didn't come with it.

I don't know what you could say about a day in which you have seen four beautiful sunsets.