cosmic boundaries Quotes

The universe is very large, and its boundaries are not known very well, but it is still possible to define some kind of a radius to be associated with it.

We don't want to conquer the cosmos, we simply want to extend the boundaries of Earth to the frontiers of the cosmos.

A world is a circumscribed portion of sky... it is a piece cut off from the infinite.

If the universe were finite, I could go to the edge of the universe and extend my staff. The end of the staff would then be the end of the universe. But if I went to this edge and extended my staff again, that would be the end of the universe. Therefore, the universe cannot be finite.

Even Hubble hasn't found yet the end of this universe, and we don't know that it has any end.

at least nine-tenths of all the original reality ever created lies outside the multiverse, and since the multiverse by definition includes absolutely everything that is anything, this puts a bit of a strain on things. Outside the boundaries of the universe lie the raw realities, the could-have-beens, the might-bes, the never-weres, the wild ideas, all being created and uncreated chaotically like elements in fermenting supernovas. Just occasionally where the walls of the worlds have worn a bit thin, they can leak in.

When we see what the universe has to show us, we can go no further.

The stars are not the limit.

Interestingly, according to modern astronomers, space is finite. This is a very comforting thought-particularly for people who can never remember where they have left things.

There ought to be something very special about the boundary conditions of the universe and what can be more special than that there is no boundary?

We find them smaller and fainter, in constantly increasing numbers, and we know that we are reaching into space, farther and farther, until, with the faintest nebulae that can be detected with the greatest telescopes, we arrive at the frontier of the known universe.

The universe is in France; outside it, there is nothing.