Engelsk substantiv: Hubble parameter | |||
1. | Hubble parameter (om mengde eller 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 | ||
Ord med samme betydning (synonymer) | Hubble constant, Hubble's constant, Hubble's parameter | ||
Mindre spesifikke uttrykk | constant | ||
Overordnet kategori | cosmogeny, cosmogony, cosmology | ||