Concept information
Preferred term
de Sitter universe
Definition
- A solution to Einstein's field equations of general relativity which contains no ordinary matter (Ω_M = 0) or radiation (Ω_R = 0), is Euclidean (k = 0), but has a cosmological constant (Ω_Λ > 0). The Universe expands exponentially forever. This solution was the first model expanding of expanding Universe. (en)
Broader concept
- Cosmological models (en)
URI
http://astrothesaurus.org/uat/361
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