Engelsk navneord: Hubble's constant | |||
1. | Hubble's constant (om mængde el. mål) (cosmology) 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 | ||
Termer med samme betydning (synonymer) | Hubble constant, Hubble parameter, Hubble's parameter | ||
Mindre specifikke termer | constant | ||
Overordnet emneområde | cosmogeny, cosmogony, cosmology | ||