English dictionary

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

English noun: Hubble parameter

1. Hubble 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's constant, Hubble's parameter

Broader (hypernym)constant

Domain categorycosmogeny, cosmogony, cosmology

Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2018 onlineordbog.dk