单词 | Hubble's constant |
释义 | Hubble's constant Hub.ble's constant AHD: [h¾b“…lz] D.J. [6hJb*lz]K.K. [6hJb*lz]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语源:After Edwin Powell Hubble 源自 埃德温·鲍威尔 Hubble |
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