event horizon

English

Pronunciation

  • (General American) IPA(key): /əˈvɛnt həˈɹaɪ.zən/, /-zɪn/, [əˈvɛɾ̃ həˈɹaɪ.zən], [əˈvɛn -], [-zɪn]
  • (file)

Noun

event horizon (plural event horizons)

  1. (astrophysics) The gravitational sphere of a black hole within which the escape velocity is greater than the speed of light.
  2. (by extension) A point of no return.

Coordinate terms

(astrophysics):

Derived terms

  • moral event horizon

Translations

See also

Further reading

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