That can't be answered. Due to a lack of knowledge of the universe.
2006-08-31 02:57:54
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answer #1
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answered by Ronald Young 1
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Size of the universe and observable universe
Main article: Observable universe
There is disagreement over whether the universe is indeed finite or infinite in spatial extent.
However, the observable universe, consisting of all locations that could have affected us since the Big Bang given the finite speed of light, is certainly finite. The edge of the cosmic light horizon is 15.8 billion light years distant.[4] The present distance (comoving distance) to the edge of the observable universe is larger, due to the ever increasing rate at which the universe has been expanding; it is estimated to be about 78 billion light years[5] (7.8 × 1010 light years, or 7.4 × 1026 m). This would make the volume, of the known universe, equal to 1.9 × 1033 cubic light years (assuming this region is perfectly spherical). As of 2006, the observable universe is thought to contain about 7 × 1022 stars, organized in about 100 billion (1011) galaxies, which themselves form clusters and superclusters. The number of galaxies may be even larger, based on the Hubble Deep Field observed with the Hubble Space Telescope. The Hubble Space Telescope discovered galaxies such as Abell 1835 IR1916, which are over 13 billion light years from Earth.
Both popular and professional research articles in cosmology often use the term "universe" when they really mean "observable universe". This is because unobservable physical phenomena are scientifically irrelevant; that is, they cannot affect any events that we can perceive. See also Causality (physics).
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Shape of the universe
Main articles: Shape of the universe and Large-scale structure of the cosmos
An important open question of cosmology is the shape of the universe. Mathematically, which 3-manifold represents best the spatial part of the universe?
Firstly, whether the universe is spatially flat, i.e. whether the rules of Euclidean geometry are valid on the largest scales, is unknown. Currently, most cosmologists believe that the observable universe is very nearly spatially flat, with local wrinkles where massive objects distort spacetime, just as the surface of a lake is (nearly) flat. This opinion was strengthened by the latest data from WMAP, looking at "acoustic oscillations" in the cosmic microwave background radiation temperature variations.
Secondly, whether the universe is multiply connected, is unknown. The universe has no spatial boundary according to the standard Big Bang model, but nevertheless may be spatially finite (compact). This can be understood using a two-dimensional analogy: the surface of a sphere has no edge, but nonetheless has a finite area. It is a two-dimensional surface with constant curvature in a third dimension. The 3-sphere is a three-dimensional equivalent in which all three dimensions are constantly curved in a fourth.
If the universe is indeed spatially finite, as described, then traveling in a "straight" line, in any given direction, would theoretically cause one to eventually arrive back at the starting point.
Strictly speaking, we should call the stars and galaxies "views" of stars and galaxies, since it is possible that the universe is multiply-connected and sufficiently small (and of an appropriate, perhaps complex, shape) that we can see once or several times around it in various, and perhaps all, directions. (Think of a house of mirrors.) If so, the actual number of physically distinct stars and galaxies would be smaller than currently accounted. Although this possibility has not been ruled out, the results of the latest cosmic microwave background research make this appear very unlikely.
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Fate of the universe
Main article: Ultimate fate of the universe
Depending on the average density of matter and energy in the universe, it will either keep on expanding forever or it will be gravitationally slowed down and will eventually collapse back on itself in a "Big Crunch". Currently the evidence suggests not only that there is insufficient mass/energy to cause a recollapse, but that the expansion of the universe seems to be accelerating and will accelerate for eternity (see accelerating universe). Other ideas of the fate of our universe include the Big Rip, the Big Freeze, and Heat death of the universe theory. For a more detailed discussion of other theories, see the ultimate fate of the universe.
2006-08-31 03:18:31
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answer #2
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answered by Anonymous
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The observable universe is a perfect sphere of approximate radius the age of the universe times the speed of light: 13,700,000,000 years times 300,000 km/s = about 10^26 m.
Its mass is approximately the volume of this sphere times the average mass density: 4/3 times pi times (about 10^26 meters)^3 times 10^(-26) kilograms per cubic meter = between 10^52 and 10^53 kg.
2006-08-31 20:52:42
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answer #3
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answered by Noware_Man 2
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From skill. You do comprehend that mass and skill are convertible, do you not? that's the HOW that's nonetheless being studied. Quantum mechanics provides the most promise. no one "created" it. there is genuinely no reason that the skill and be counted of the universe would not be eternal.
2016-11-23 15:57:50
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answer #4
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answered by ? 4
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I read an article years ago which asserted that our local area is somewhat planer. Otherwise the observable universe is estimated to contain 100 billion galaxy's, I think.
2006-08-31 03:42:43
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answer #5
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answered by Fredrick Carley 2
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its in the shape of a marble, that aliens play with, and some universes can even hang around cute little pug's necks...
2006-08-31 03:02:15
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answer #6
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answered by Anonymous
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Our universe is infinite, which means it has no boundary or edge. It goes on for ever.
2006-08-31 04:45:51
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answer #7
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answered by Kevin H 7
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It's shaped like a taco. The honkinest Super-Size taco you can imagine. It weighs 845,249,055,624,292,589,735,420,124,308,783,987,454,142,363,875,365,894,029,374,562,876,423,986,492,385,497,384,578,659,473,875,494,753 grams.
That is one big taco!!!
2006-08-31 03:15:00
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answer #8
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answered by poorcocoboiboi 6
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infinity. it cannot be determined. only the size of various solar systems.
2006-08-31 03:11:50
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answer #9
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answered by ♣DreamDancer♣ 5
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There is no way to measure this
2006-08-31 03:00:43
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answer #10
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answered by deathbear3 3
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