Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
Hubble's constant | Yes | No | No | No |
cosmogony | Yes | No | No | No |
Hubble's constant (noun) | cosmogony (noun) |
---|---|
(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 | the branch of astrophysics that studies the origin and evolution and structure of the universe |