English Dictionary

Hubble constant

固有名詞

(astronomy) A number that expresses the rate of expansion of the universe; the velocity at which a distant object is receding from the Earth divided by its distance; its reciprocal determines the age of the universe.

日本語の意味

宇宙の膨張率を表す定数。具体的には、遠方天体が地球からどの程度の速さで後退しているかを、その天体までの距離で割った値であり、その逆数は宇宙の年齢を示す指標となる。

The Hubble constant remains one of cosmology's most important and debated measurements.

宇宙の膨張率は、宇宙論において最も重要で議論が続いている測定値のひとつです。

意味（1）

(astronomy) A number that expresses the rate of expansion of the universe; the velocity at which a distant object is receding from the Earth divided by its distance; its reciprocal determines the age of the universe.