Hubble constant
volume
British pronunciation/hˈʌbəl kˈɒnstənt/
American pronunciation/hˈʌbəl kˈɑːnstənt/

"Hubble constant"の定義と意味

Hubble constant
01

ハッブル定数, ハッブル定数

(cosmology) a measure of the rate at which the universe is expanding, determined from the observation of distant galaxies' recession velocities

Hubble constant

n
example
Astronomers use the Hubble constant to estimate the age of the universe.
Precise measurements of the Hubble constant are crucial for cosmological models.
The value of the Hubble constant has been refined over the years.
The Hubble constant is expressed in kilometers per second per megaparsec.
The Hubble constant tells us how quickly the universe is expanding.
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