| 单词 | static universe |
| 释义 | static Universestatic UniverseA Universe in which the cosmic scale factor is independent of time. Einstein proposed a static Universe in 1916 by including an ad hoc repulsion term – the cosmological constant, λ – in his field equations of general relativity. This canceled out the natural tendency for a gravitating Universe either to expand or contract, depending on its energy content. See cosmological models; expanding Universe.static universe[′stad·ik ′yü·nə‚vərs] |
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