General Relativity and Gravitation

, Volume 15, Issue 2, pp 181–185

How big is the universe today?

  • Don N. Page
Research Articles

DOI: 10.1007/BF00762476

Cite this article as:
Page, D.N. Gen Relat Gravit (1983) 15: 181. doi:10.1007/BF00762476


If one defines the size of the present universe in terms of a hypersurface of simultaneity generated by the spatial geodesies orthogonal to our world line today, then it is finite in all expanding Big Bang Friedmann models.

Copyright information

© Plenum Publishing Corporation 1983

Authors and Affiliations

  • Don N. Page
    • 1
  1. 1.Department of PhysicsThe Pennsylvania State UniversityUniversity Park

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