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Yes, well ultimately we'd like to understand the observableuniverse.
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Within our observableuniverse, inflation ended long ago.
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We talk about Copernicus, Einstein, Hubble, multiverses, the observableuniverse, the speed of light and the elements.
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We are not merely legion-we rival in our numbers the stars of the observableuniverse in the current epoch.
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What lay beyond the last sphere was never made very clear, but it certainly was not part of mankind's observableuniverse.
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A top theoretical contender is gamma-ray bursts, equally mysterious cosmic explosions that can briefly outshine everything else in the observableuniverse.
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One scenario, called the ekpyrotic universe, is based upon the hypothesis that our observableuniverse came into being when two branes collided.
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That's a one with 21 zeroes after it-over50 times the number of stars in the observableuniverse.
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This was about the time the observableuniverse could still fit within the 87-foot sphere of the Rose Center for Earth and Space.
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These clouds are trouble for the EHT astronomers, who want to peer closer than ever before at this fringe of the observableuniverse.
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Map of Matter in the Universe: This full-sky map from the Planck mission shows matter between Earth and the edge of the observableuniverse.
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It would take more Planck lengths to span a grain of sand than it would take grains of sand to span the observableuniverse.
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Still, the observableUniverse alone should be big enough for most people.
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The whole Universe is at least 250 times as large as the observableUniverse.
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The observableUniverse is, of course, much larger.
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Per second, a single gamma-ray burst can produce as much energy as all the starlight in the observableUniverse, he says.