| 释义 |
Hub·ble's constant AHD[hŭbʹəlz] D.J.[ˈhʌbəlz]K.K.[ˈhʌbəlz]n.（名词）- A ratio expressing the rate of apparent expansion of the universe, equal to the velocity of which a typical galaxy is receding from Earth divided by its distance from Earth.哈勃常数：用来表示宇宙膨胀速度的比率，相当于星系的运行速度随距离而增加的比率
- After Edwin Powell Hubble 源自 埃德温·鲍威尔 Hubble
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