哈伯定律
haˉ boˊ dingˋ luuˋ
Hubble's law, A relationship between a galaxy's distance from us and its velocity through space (which is interpreted as evidence of the expanding universe) so that the furher away a galaxy is the faster it is receding
哈伯常數
haˉ boˊ changˊ shuˋ
Hubble constant (H₀), A constant that determines the relationship between the distance to a galaxy and its velocity due to the expansion of the universe, presently about 70 km per second per megaparsec
伯
Fragment (中文 to English)
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