English dictionary



Hint: In most browsers you can lookup any word by double click it.

English noun: Hubble's parameter

1. Hubble's parameter (quantity) (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


SynonymsHubble constant, Hubble parameter, Hubble's constant


Broader (hypernym)constant


Domain categorycosmogeny, cosmogony, cosmology









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2017 onlineordbog.dk