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“The source of 68% of the mass-energy density is dark energy. The Universe is one, even if we use the word Multiverse. If it is not one, then it is not a Universe. If what we understand as the Universe is not one, it does not mean that there are multiple universes but that our ideas about the Universe may need to be corrected or that they do not quite correctly represent reality. If this is the case, we should adapt the language to reality, not the reality to language.” — Dejan Stojanovic
The source of 68% of the mass-energy density is dark energy.
The Universe is one, even if we use the word Multiverse. If it is not one, then it is not a Universe. If what we understand as the Universe is not one, it does not mean that there are multiple universes but that our ideas about the Universe may need to be corrected or that they do not quite correctly represent reality. If this is the case, we should adapt the language to reality, not the reality to language.