Quotes about Space

Because gravity shapes space and time, it allows space time to be locally stable but globally unstable. On the scale of the entire universe, the positive energy of the matter can be balanced by the negative gravitational energy, and so there is no restriction on the creation of whole universes. Because there is a law like gravity, the universe can and will create itself from nothing in the manner described in Chapter 6.

In space, no one can you scream; an in a black hole, no one can see you disappear

In conclusion, rapid space travel and travel back in time can't be ruled out according to our present understanding. They would cause great logical problems, so let's hope there's a Chronology Protection Law to prevent people going back and killing their parents.

One way or another, I regard it as almost inevitable that either a nuclear confrontation or environmental catastrophe will cripple the Earth at some point in the next 1,000 years which, as geological time goes, is the mere blink of an eye. By then I hope and believe that our ingenious race will have found a way to slip the surly bonds of Earth and will therefore survive the disaster.

I am convinced that humans need to leave Earth. If we stay, we risk being annihilated.

the universe is not infinite in space, but neither does space have any boundary.

If you fall towards a black hole feet first, gravity will pull harder on your feet than your head, because they are nearer the black hole. The result is that you will be stretched out lengthwise, and squashed in sideways. If the black hole has a mass of a few times our Sun, you would be torn apart and made into spaghetti before you reached the horizon.

Part of what makes the concept of miracles and God's intervention such a hot topic for so many people is that everyone wonders how a God who is presumably running the entire universe will not heal someone of cancer but will find someone else a parking space.

The crew of the shuttle Columbia did not return safely to Earth; yet we can pray that all are safely home.

Herschel removed the speckled tent-roof from the world and exposed the immeasurable deeps of space, dim-flecked with fleets of colossal suns sailing their billion-leagued remoteness.

The Sabbath is the presence of God in the world, open to the soul of man." God is not in things of space, but in moments of time.

Technical civilization is man's conquest of space. It is a triumph frequently achieved by sacrificing an essential ingredient of existence, namely, time. In technical civilization, we expend time to gain space. To enhance our power in the world of space is our main objective. Yet to have more does not mean to be more. The power we attain in the world of space terminates abruptly at the borderline of time. But time is the heart of existence.