Hubble radius

Hubble radius

The size of the observable Universe as derived from the ratio c /H 0, where H 0 is the Hubble constant and c the speed of light.
References in periodicals archive ?
If we write [R.sub.0] [congruent to] (c/[H.sub.0]) as a characteristic cosmic Hubble radius then the characteristic cosmic Hubble volume is [V.sub.0] [congruent to] 4[pi]/3 [R.sup.3.sub.0].