How many angels can dance on the head of a pin?
Same kind of question!
Current science figures it in light-years or even parsecs, but opinion varies as to just how many of them, being as how we are beginning to think it's lots bigger that we thought initially.
Suffice to say, "Big enough."
Big enough that I imagine there's just about anything out there YOU can imagine. In addition to the solar systems--single, binary and trinary--galaxies and nebulae, radio stars, red and blue dwarfs and, as someone said...the occasional black hole.
2006-07-18 07:44:59
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answer #1
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answered by kaththea s 6
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It's continually expanding. Just to give you some perspective, we are roughly 2 million light years away from Andromeda, our nearest galaxy. We are on the outer spiral of the milky way.
13 billion years ago the universe formed and the solar system was formed roughly 3 billion years ago.
Get a beaker of water. Look at the oxygen bubbles in the middle. They are all the galaxies and the beaker's edge is the edge of the universe. Just a rough scale.
As to what's out there, stars twenty times bigger than our own sun, black holes, comets and other debris left over from the universe's creation. Life, though, is possible.
2006-07-18 15:07:44
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answer #2
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answered by AndyB 3
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The observable Universe has a radius of 13.7 billion light-years, but the actual Universe, that is quite the mystery. If Cosmic expansion follows it's current course, we can estimate the size of the Universe, however we can never really be sure. I am convinced that there are other forms of life. Or else it's too much scenario just for us.
2006-07-18 14:40:47
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answer #3
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answered by jerryjon02 2
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I would say, the Universe
at least 10 billion light years in a diameter
and contains a vast number of galaxies;
it has been expanding since its creation,
in the big" bang " about 13 billion years ago.
2006-07-18 14:42:23
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answer #4
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answered by Teal 7
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thats a good question. The universe is bigger than you can ever imagine.
and if its just us, it seems like an awful waste of space.
2006-07-18 14:33:54
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answer #5
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answered by DainBramaged 3
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The universe is mind. It is imagination, so theoretically
unlimited.
2006-07-18 15:03:28
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answer #6
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answered by Rome 1
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So far 16 billion light years and growing....will it ever end or come crashing back together?
2006-07-18 23:43:09
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answer #7
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answered by Its not me Its u 7
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Objects in mirror are larger than they appear.
2006-07-18 14:41:58
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answer #8
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answered by Anonymous
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size is in the eyes of the beholder
2006-07-18 14:33:52
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answer #9
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answered by DichloroDiphenyl 5
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this ansrew is not known in reality..we have yet to travel to other places in outer space. and as for whats out there, the same thing, it is not known for certin, but a few known things would be blackholes...i dunno
2006-07-18 14:34:00
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answer #10
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answered by Anonymous
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