Dark energy makes up most of the universe
Dark energy, an enigmatic force accelerating the universe's expansion, is estimated to make up about 68 percent of its total energy content, shaping its ultimate fate.
An invisible force called dark energy is estimated to comprise about 68 percent of the universe's total energy density. This mysterious component, confirmed by missions like the Planck satellite, dominates the cosmos, far outweighing ordinary matter (5%) and dark matter (27%).
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