published by
the American Museum of Natural History
This website from the American Museum of Natural History provides a description of Olbers' Paradox which poses the question of why the sky is dark at night. The site presents an explanation for why a bright night sky would be expected but is not present and also describes the development of the paradox. Implications about the age of the Universe and its expansion are included.
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![]() <a href="https://www.compadre.org/portal/items/detail.cfm?ID=4131">American Museum of Natural History . Olber's Paradox: Why Is The Sky Dark at Night?. New York: American Museum of Natural History , August 25, 2006.</a>
![]() (American Museum of Natural History , New York, 2000), WWW Document, (http://web.archive.org/web/20160121001029/http://www.amnh.org/education/resources/rfl/web/essaybooks/cosmic/cs_paradox.html).
![]() Olber's Paradox: Why Is The Sky Dark at Night? (American Museum of Natural History , New York, 2000), <http://web.archive.org/web/20160121001029/http://www.amnh.org/education/resources/rfl/web/essaybooks/cosmic/cs_paradox.html>.
![]() Olber's Paradox: Why Is The Sky Dark at Night?. (2006, August 25). Retrieved May 2, 2025, from American Museum of Natural History : http://web.archive.org/web/20160121001029/http://www.amnh.org/education/resources/rfl/web/essaybooks/cosmic/cs_paradox.html
![]() American Museum of Natural History . Olber's Paradox: Why Is The Sky Dark at Night?. New York: American Museum of Natural History , August 25, 2006. http://web.archive.org/web/20160121001029/http://www.amnh.org/education/resources/rfl/web/essaybooks/cosmic/cs_paradox.html (accessed 2 May 2025).
![]() Olber's Paradox: Why Is The Sky Dark at Night?. New York: American Museum of Natural History , 2000. 25 Aug. 2006. 2 May 2025 <http://web.archive.org/web/20160121001029/http://www.amnh.org/education/resources/rfl/web/essaybooks/cosmic/cs_paradox.html>.
![]() @misc{
Title = {Olber's Paradox: Why Is The Sky Dark at Night?},
Publisher = {American Museum of Natural History },
Volume = {2025},
Number = {2 May 2025},
Month = {August 25, 2006},
Year = {2000}
}
![]() %T Olber's Paradox: Why Is The Sky Dark at Night? %D August 25, 2006 %I American Museum of Natural History %C New York %U http://web.archive.org/web/20160121001029/http://www.amnh.org/education/resources/rfl/web/essaybooks/cosmic/cs_paradox.html %O text/html ![]() %0 Electronic Source %D August 25, 2006 %T Olber's Paradox: Why Is The Sky Dark at Night? %I American Museum of Natural History %V 2025 %N 2 May 2025 %8 August 25, 2006 %9 text/html %U http://web.archive.org/web/20160121001029/http://www.amnh.org/education/resources/rfl/web/essaybooks/cosmic/cs_paradox.html Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.
Citation Source Information
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