the universe expanding |
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navigate by keyword : astrology astronomy balloon bang big concept constellation cosmic cosmos demonstrate description diagram distance education evolution expanding expansion explosion galaxies galaxy geometry graphic illustration infinite infinity model moment nebula planet poster presentation schematic scheme science scientific shape show space sphere spherical star stellar surface theory time universe vector |
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Balloons demonstrates the geometry of the expanding universe. Diagram shows an expanding universe model with galaxies. From the moment of the big bang, the universe has been constantly expanding. Scientists compare the expanding universe to the surface of a balloon that is inflated. |
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