. . "Hubble's parameter"@en-us . "(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"@en-us . . . "Hubble constant"@en-us . "13590598-n"^^ . "0"^^ . . . "Hubble parameter"@en-us . . . . . . "112825427"@en-us . "Hubble's constant"@en-us . "Hubble's constant"^^ . "113590598"^^ . . "0"^^ .