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宇宙
Wikipedia definition
1. De Sitter universeA de Sitter universe is a cosmological solution to Einstein's field equations of General Relativity which is named after Willem de Sitter. It models the universe as spatially flat and neglects ordinary matter, so the dynamics of the universe are dominated by the cosmological constant, thought to correspond to dark energy in our universe or the inflaton field in the early universe.
Read “De Sitter universe” on English Wikipedia
Read “ド・ジッター宇宙” on Japanese Wikipedia
Read “De Sitter universe” on DBpedia

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