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written by Jim Imamura
Visit this site from the University of Oregon for a thorough discussion of Olbers' Paradox, which asks why the night sky is dark.  With discussion and some calculations, it resolves the paradox and draws a conclusion about the size (or equivalently, the age) of the Universe.
Subjects Levels Resource Types
- Cosmology
= Expansion of the Universe
- Lower Undergraduate
- High School
- Informal Education
- Upper Undergraduate
- Reference Material
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Access Rights: Free access
Restriction: © 1994 University of Oregon, Department of Physics
Has a copyright or other licensing restriction.
Keywords: Big Bang, dark, luminosity, sky
Record Creator: Metadata instance created July 21, 2006 by Ann Deml
Record Updated: Aug 16, 2020 by Lyle Barbato
Last Update
when Cataloged:
February 9, 1994
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Record Link
AIP Format
J. Imamura, (1994), WWW Document, (
J. Imamura, Olbers' Paradox (1994), <>.
APA Format
Imamura, J. (1994, February 9). Olbers' Paradox. Retrieved January 31, 2023, from
Chicago Format
Imamura, Jim. Olbers' Paradox. February 9, 1994. (accessed 31 January 2023).
MLA Format
Imamura, Jim. Olbers' Paradox. 1994. 9 Feb. 1994. 31 Jan. 2023 <>.
BibTeX Export Format
@misc{ Author = "Jim Imamura", Title = {Olbers' Paradox}, Volume = {2023}, Number = {31 January 2023}, Month = {February 9, 1994}, Year = {1994} }
Refer Export Format

%A Jim Imamura %T Olbers' Paradox %D February 9, 1994 %U %O text/html

EndNote Export Format

%0 Electronic Source %A Imamura, Jim %D February 9, 1994 %T Olbers' Paradox %V 2023 %N 31 January 2023 %8 February 9, 1994 %9 text/html %U

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