| NOM | cognition | Constant de Hubble | (astronomy) the generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from the observer |
|---|---|---|---|
| quantity | constant de Hubble | (cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer |
| Sentit | (astronomy) the generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from the observer. | |
|---|---|---|
| Categoria | astronomia, uranology | The branch of physics that studies celestial bodies and the universe as a whole |
| General | llei | A generalization that describes recurring facts or events in nature |
| Anglès | Hubble's law, Hubble law | |
| Sentit | (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. | |
|---|---|---|
| Categoria | cosmogonia, cosmologia | The branch of astrophysics that studies the origin and evolution and structure of the universe |
| General | constant | A number representing a quantity assumed to have a fixed value in a specified mathematical context |
| Anglès | Hubble's constant, Hubble constant, Hubble's parameter, Hubble parameter | |
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