English Explanatory Dictionary

Hubble volume

English dictionary entry

Meanings

noun

the spherical region of the observable universe surrounding an observer beyond which objects recede from that observer at a rate greater than the speed of light due to the expansion of the Universe.

Word forms

Hubble volume Hubble volumes

Synonyms

Hubble sphere subluminal sphere causal sphere sphere of causality

Related words

cosmological horizon Hubble limit

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