| 单词 | hubble parameter |
| 释义 | Hubble parameter in British English (ˈhʌbəl pəˈræmɪtə) noun another name for Hubble constant Hubble constant in British Englishnoun the rate at which the expansion velocity of the universe depends on distance away. It is currently estimated to lie in the range 60–80 km s–1 megaparsec–1 Also called: Hubble parameter |
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