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High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! In cosmology, the Hubble volume, or Hubble sphere, is the region of the Universe surrounding an observer beyond which objects recede from the observer at a rate greater than the speed of light, due to the expansion of the Universe. The comoving radius of the Hubble sphere is c / H0, where c is the speed of light and H0 is the Hubble constant. More generally, the term "Hubble volume" can be applied to any region of space with a volume of order (c / H0)3. The term "Hubble volume" is also frequently (but…mehr

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High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! In cosmology, the Hubble volume, or Hubble sphere, is the region of the Universe surrounding an observer beyond which objects recede from the observer at a rate greater than the speed of light, due to the expansion of the Universe. The comoving radius of the Hubble sphere is c / H0, where c is the speed of light and H0 is the Hubble constant. More generally, the term "Hubble volume" can be applied to any region of space with a volume of order (c / H0)3. The term "Hubble volume" is also frequently (but mistakenly) used as a synonym for the observable universe; the latter is larger than the Hubble volume.