hubble constant

Dette er ikke en ordbog! - Søg efter "hubble constant" i Den Danske Ordbog

• 28. februar 2016 fra wordnet.princeton.edu

  Hubble constant — navneord — engelsk

  (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