ANSWERS: 8
  • The universe is like a big 4 dimensional sphere. There is no end. "The universe is at least 156 billion light-years wide." http://www.space.com/scienceastronomy/mystery_monday_040524.html Which is about 917,065,558,216,643,160,000,000 miles or 1,475,873,953,722,604,800,000,000 kilometers. Just to try and put that into perspective a little, the distance between us and the Sun is about 92,950,000 miles. So the universe is about 9,866,000,000,000,000 times the distance between us and our own sun. "The nearest star to us is, of course, the Sun. The next nearest star is Proxima Centauri in the constellation Centaurus. Proxima is a dim M star and is at a distance of 4.24 light years. This star is an eleventh magnitude star and so is too dim to be visible to the naked eye." http://www.historyoftheuniverse.com/nearstar.html Which is about 24,925,400,000,000 miles away.
  • It doesn't have an end cause its infinite.
  • I believe that the universe is ever expanding.
  • Forrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr everrrrrrrrrrrrrrrrrrrrrrrrrrr!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! its expanding
  • further than we can possibly comprehend.
  • Infinity, as far as we know.
  • They say its about 15 billion years since the big bang. So, the size of the universe is roughly 15 billion light years. However, every passing second, universe is getting bigger by a light second, that is the distance traveled by light in one second. I believe the right question is where is the Universe expanding into... i.e. what is universe contained in. So, the real question is how big is the container. Then again there are theories of multiverse, parallel universe and of course string theory. After pondering upon these matters for long enough, I have come to only one conclusion... SIZE DOESN'T MATTER ! Just like we are from the universe, the universe is from us.
  • How far will we ever be able to see? Can we (in principle) see an object which currently resides, say, 70 billion light years away, if we wait long enough? The answer is No. The Universe we ever can come in contact with has a radius (currently) of about 63 billion light years. This is due entirely to the "cosmological constant", or "dark energy", as it is sometimes called. Note that this is something entirely different from the "dark matter" that also is regarded to exist. But the fact that the cosmological constant exists,—i.e., is positive and not zero—has the consequence that the "Universe for Us" is finite, which it would not be otherwise. Some years ago, the general assumption was that the cosmological constant was equal to zero. We now know that with a positive cosmological constant, all other speculations about how far we can ever possibly see becomes nonsensical. Outside of this radius the Universe is non-existent for us.

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