Quotes About Cosmos

This means it will take about a thousand million million million million years for the earth to run into the sun, so there's no immediate cause for worry!

why are we here? where do we come from? traditionally,these are questions for philosophy,but philosophy is dead

The message of this lecture is that black holes ain't as black as they are painted. They are not the eternal prisons they were once though…things can get out of a black hole both on the outside and possibly to another universe. So if you feel you are in a black hole, don't give up – there's a way out.

If you understand how the universe operates, you control it, in a way.

We now know that our galaxy is only one of some hundred thousand million that can be seen using modern telescopes, each galaxy itself containing some hundred thousand million stars.

We now know that our galaxy is only one of some hundred thousand million that can be seen using modern telescopes, each galaxy itself containing some hundred thousand million stars. We live in a galaxy that is about one hundred thousand light-years across and is slowly rotating; the stars in its spiral arms orbit around its center about once every hundred million years. Our sun is just an ordinary, average-sized, yellow star, near the outer edge of one of the spiral arms.

The most incomprehensible thing about the universe is that it is comprehensible. —ALBERT EINSTEIN

The discovery that the universe was expanding was one of the great intellectual revolutions of the twentieth century.

Cuando miramos al universo, lo vemos tal como fue en el pasado

the most important point: that the universe is governed by a set of rational laws that we can discover and understand.

do we really have reason to believe that an objective reality exists?

If you believe in science, like I do, you believe that there are certain laws that are always obeyed. If you like, you can say the laws are the work of God, but that is more a definition of God than a proof of his existence.

There could be whole antiworlds and antipeople made out of antiparticles. However, if you meet your antiself, don't shake hands!

If a star were a grain of salt, you could fit all the stars visible to the naked eye on a teaspoon, but all the stars in the universe would fill a ball more than eight miles wide.

But if the universe is really completely self-contained, having no boundary or edge, it would have neither beginning nor end: it would simply be. What place, then, for a creator?

Even if there is only one possible unified theory, it is just a set of rules and equations. What is it that breathes fire into the equations and makes a universe for them to describe?

Another prediction of general relativity is that time should appear to run slower near a massive body like the earth.

A scientific law is not a scientific law, if it holds only when some supernatural being decides not to intervene

Consider the apparent dimension of the universe. According to M-theory, space-time has ten space dimensions and one time dimension. The idea is that seven of the space dimensions are curled up so small that we don't notice them, leaving us with the illusion that all that exist are the three remaining large dimensions we are familiar with.

An expanding universe does not preclude a creator, but it does place limits on when he might have carried out his job.

in 1992 came the first confirmed observation of a planet orbiting a star other than our sun.

Whatever happens on earth, the rest of the universe will carry on regardless.

Nevertheless, it seems clear that there are relatively few ranges of values for the numbers that would allow the development of any form of intelligent life. Most sets of values would give rise to universes that, although they might be very beautiful, would contain no one able to wonder at that beauty.

We are the product of quantum fluctuations in the very early universe. If one were religious, one could say that God really does play dice.