hubble's parameter (Meaning)
hubble's parameter (n)
(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 & Antonyms of hubble's parameter
No Synonyms and anytonyms found
hubble's parameter Sentence Examples
- Hubble's parameter measures the expansion rate of the universe, indicating its present rate of growth.
- By observing distant galaxies, astronomers can calculate Hubble's parameter and estimate the age of the universe.
- Hubble's parameter is a fundamental constant that describes the expansion of the universe.
- The current value of Hubble's parameter is approximately 70 kilometers per second per megaparsec.
- The expansion of the universe is accelerating, as indicated by the positive value of Hubble's parameter.
- Hubble's parameter can be used to calculate the distance to and age of distant galaxies.
- Edwin Hubble discovered the expansion of the universe and introduced the concept of Hubble's parameter.
- Hubble's parameter is used to study the evolution and fate of the universe.
- The variation of Hubble's parameter over time can provide insights into the nature of dark energy.
- Measuring the precise value of Hubble's parameter is a major challenge in modern cosmology.
FAQs About the word hubble's parameter
(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
No synonyms found.
No antonyms found.
Hubble's parameter measures the expansion rate of the universe, indicating its present rate of growth.
By observing distant galaxies, astronomers can calculate Hubble's parameter and estimate the age of the universe.
Hubble's parameter is a fundamental constant that describes the expansion of the universe.
The current value of Hubble's parameter is approximately 70 kilometers per second per megaparsec.
