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- 2023-7-24
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- 1970-1-1
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CR
EC
1. C对 不知道为什么E不对
> euphoric — 极度兴奋的
verse — 诗歌节律
commentary — 评论;说明,写照
>
RC
1. galaxies uniformly receding, spacetime is not static but stretches
2. galaxies exhibit distinct motion, and density fluctuation in the cosmos → movement help understand if universe keep expanding or reverse
3. Galactic movement 被EPH 和VMS 证明(spectral line)static universe理论被推翻, uniformly expanding cosmos 被接受
4. 介绍hubble law, galacy’s recession velocity is proportional to distance from us, universe expansion是因为singleevent: big bang |
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