English dictionary
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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 | ||
| Synonyms | Hubble constant, Hubble parameter, Hubble's constant | ||
| Broader (hypernym) | constant | ||
| Domain category | cosmogeny, cosmogony, cosmology | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
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Web design: Orcapia v/Per Bang. English edition: .
2024 onlineordbog.dk