Hubble time

noun

A constant defined as 1/H_0, where H_0 is the Hubble constant. 1/H_0 is equal to 4.55×10¹⁷ seconds or 14.4 billion years.

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Meanings

nounHubble time (plural Hubble times)

plural Hubble times

  1. astronomyA constant defined as 1/H_0, where H_0 is the Hubble constant. 1/H_0 is equal to 4.55×10¹⁷ seconds or 14.4 billion years.
Cite this entry
APA

Hubble time. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Hubble%20time

MLA

“Hubble time.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Hubble%20time. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Hubble time,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Hubble%20time.

Source: Hubble time on Wiktionary, CC BY-SA 4.0.