Quotes About Cosmos

In space, no one can hear you scream; and in a black hole, no one can see you disappear.

The eventual goal of science is to provide a single theory that describes the whole universe

These laws may have originally been decreed by God, but it appears that he has since left the universe to evolve according to them and does not now intervene in it.

To do research on the fundamental laws that govern the universe would require a commitment of time that most people don't have; the

So the total energy of the universe is zero.

Our universe and its laws appear to have a design that both is tailor-made to support us and, if we are to exist, leaves little room for alteration. That is not easily explained, and raises the natural question of why it is that way.

an­ti­quarks? Why are there not equal num­bers of each? It is cer­tain­ly for­tu­nate for us that the num­bers are un­equal be ear­ly uni­verse and left a uni­verse filled with ra­di­ation but hard­ly any mat­ter. There would then have been no galax­ies, stars, or plan­ets on which hu­man life could have de­vel­oped.

If the theory is confirmed by observation, it will be the successful conclusion of a search going back more than 3,000 years. We will have found the grand design.

Why is there something rather than nothing? Why do we exist? Why this particular set of laws and not some other? This is the Ultimate Question of Life, the Universe, and Everything. We shall attempt to answer it in this book. Unlike the answer given in The Hitchhiker's Guide to the Galaxy, ours won't be simply "42."  

calculations show that a change of as little as 0.5 percent in the strength of the strong nuclear force, or 4 percent in the electric force, would destroy either nearly all carbon or all oxygen in every star, and hence the possibility of life as we know it. Change those rules of our universe just a bit, and the conditions for our existence disappear!

If nature is governed by laws, three questions arise: What is the origin of the laws? Are there any exceptions to the laws, i.e., miracles? Is there only one set of possible laws?

What is it that breathes fire into the equations and makes a universe for them to describe?

time and space are intertwined. It is something like adding a fourth direction of future/past to the usual left/right, forward/backward, and up/down. Physicists call this marriage of space and time "space-time," and because space-time includes a fourth direction, they call it the fourth dimension.

region of space-time known as a black hole.

Burada vurgulamak istediÄŸim ÅŸudur: kara delikler tamamen kara deÄŸildir. Daha önce zannedildiÄŸi gibi bunlar ebedi hapishaneler deÄŸildir. Kara deliklerden bir ÅŸeyler kaçabilir, hem bu evrene hem de belli bir olas?l?kla baÅŸka bir evrene. O zaman eÄŸer bir kara deliÄŸin içindeyseniz umutsuzluÄŸa kap?lmay?n, d??ar? ç?k?? olanakl?d?r!

Newton realized that, according to his theory of gravity, the stars should attract each other

The success of A Brief History indicates that there is widespread interest in the big questions like: Where did we come from? And why is the universe the way it is?

our goal is nothing less than a complete description of the universe we live in.

Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

time is not completely separate from and independent of space, but is combined with it to form an object called space-time.

can one have atoms in which the nucleus is a tiny primordial black hole, formed in the early universe?

Most laws of nature exist as part of a larger, interconnected system of laws.

Die wachsende Fähigkeit der Menschheit, das Universum zu verstehen, hat einen kleinen Winkel der Ordnung in einem zunehmend der Unordnung verfallenden Universum geschaffen.

This process is known as inflation, something that was good for the universe in contrast to inflation of prices that too often plagues us.