Carl Sagan Quotes

We are the representatives of the cosmos; we are an example of what hydrogen atoms can do, given 15 billion years of cosmic evolution.

In five billion years, the sun will expand and engulf our orbit as the charred ember that was once Earth vaporizes. Have a nice day

Ten million years from now, when then sun burns out and the Earth is just a frozen iceball hurtling through space, nobody's going to care whether or not I got this guy out.

Many billions of years will elapse before the smallest, youngest stars complete their nuclear burning and shrink into white dwarfs. But with slow, agonizing finality perpetual night will surely fall.

The History Of The Universe In Three Words CHAPTER ONE Bang! CHAPTER TWO sssss CHAPTER THREE crunch. THE END

Staring at the stars was like staring backward in time, since some stars are so far away that their light takes millions of years just to reach us. That we see stars not as they look now, but as they were when dinosaurs roamed the earth. The whole concept just struck me as…amazing somehow.

Dogbert gazing at night sky No matter how bad the day is, the stars are always there. Dilbert Actually, many of them burned out years ago, but their light is just now reaching earth. DogbertThank you for shattering my comfortable misconception. DilbertIt's the miracle of science.

For your own safety, do not ever tell an astrophysicist, I hope all your stars are twinkling.

120 million of us place the big bang 2,500 years after the Babylonians and Sumerians learned to brew beer.

Since stars appear to be suns, and suns, according to the common opinion, are bodies that serve to enlighten, warm, and sustain a system of planets, we may have an idea of the numberless globes that serve for the habitaton of living creatures.

Thank God, 50 years ago I learned that our entire business is all based on two things; a great song and a great story. Film, television, if you don't have that story, nothing else matters. You don't call anybody else or direct anybody. The same with a song. A great song can make the worst singer in the world a star.

If [Bush's] successors don't screw it up, within 10 years NASA will have us back to where we belong -- on other worlds.

What do stars do? They shine.

I'm going to say this tonight because 20 years from now, 30 years from now, 40 years from now, I might not be able to say it, but I can say it tonight….You are now watching the greatest living rock star on the planet.

You do not become a star, you are born a star. A star is born with that indefinable extra something.

When the first man created Himself, He was the light of the circle. Then He willed the sun into being It was 6 trillion years between the making of the sun and the creation of man.

Former U.S. House Majority Leader, Tom DeLay, has been sentenced to three years in prison. One year for money laundering and two more for his performance on 'Dancing with the Stars.'

The reason I make movies now has a lot to do with having seen Star Wars when I was seven years old. That's the formative movie-going experience of my life.

Most educated people are aware that we are the outcome of nearly 4 billion years of Darwinian selection, but many tend to think that humans are somehow the culmination. Our sun, however, is less than halfway through its lifespan. It will not be humans who watch the sun’s demise, 6 billion years from now. Any creatures that then exist will be as different from us as we are from bacteria or amoebae.

Eventually, the Sun will swell to occupy the entire sky as its expansion subsumes the orbit of earth. Earth's surface temperature will rise until it matches the 3,000-degree rarified outer layers of the expanded Sun.... But not to worry. We will surely go extinct for some other reason long before this scenario unfolds.

We are made out of stardust. The iron in the hemoglobin molecules in the blood in your right hand came from a star that blew up 8 billion years ago. The iron in your left hand came from another star. We are the laws of chemistry and physics as they have played out here on Earth and we are now learning that planets are as common as stars. Most stars, as it turns out now, will have planets.

There sinks the nebulous star we call the sun.

There has been an earth for a little more than a billion years. As for the question of the end of it I advise: Wait and see!

I didn't really watch the show [Star Trek]. I still haven't seen about 150 of them. So I didn't really think of them too much in terms of episodes. I thought of them as kind of one long seven-year episode.