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As of January 2013, scientists estimate that 71.4% of the total density of the universe is made up of dark energy, while atoms account for only 4.6%. These estimates are based on the conclusion that the universe is flat.
As of January 2013, scientists estimate that 71.4% of the total density of the universe is made up of dark energy, while atoms account for only 4.6%. These estimates are based on the conclusion that the universe is flat.