13590598-n 'the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer';
 
Chinese (simplified) 哈勃常数 , 哈勃 常数
Inggeris Hubble's constant , Hubble constant , Hubble's parameter , Hubble parameter
Japanese ハッブルパラメータ , ハッブル定数
Definitions
Inggeris
the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer
the Hubble constant is not actually a constant, but is regarded as measuring the expansion rate today
Japanese
観察者からの距離に対する、（宇宙の膨張による）銀河の後退速度の割合
ハッブル定数は実際には定数ではなく、現在の膨張率を測定しているとみなされている
Relations
Hypernym: constant
Domain–Category: cosmology
Semantic Field: quantityn
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