Engelsk navneord: Hubble constant | |||
1. | Hubble 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 parameter, Hubble's constant, Hubble's parameter | ||
Mindre specifikke termer | constant | ||
Overordnet emneområde | cosmogeny, cosmogony, cosmology | ||