Jisho

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Noun
1. dark energyPhysics
Wikipedia definition
2. Dark energyIn physical cosmology and astronomy, dark energy is a hypothetical form of energy that permeates all of space and tends to accelerate the expansion of the universe. Dark energy is the most accepted hypothesis to explain observations since the 1990s that indicate that the universe is expanding at an accelerating rate. In the standard model of cosmology, dark energy currently accounts for 73% of the total mass-energy of the universe.
Read “Dark energy” on English Wikipedia
Read “ダークエネルギー” on Japanese Wikipedia
Read “Dark energy” on DBpedia
Other forms
ダーク・エネルギー

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