Detail Page

written by Edward Wright
The expansion of the universe can be thought of as a balloon filling with air. This page contains an explanation of the the balloon analogy and a helpful animation to show what happens to galaxies and photons of light as the universe expands. This is part of a larger tutorial about cosmology.
Subjects Levels Resource Types
- Cosmology
= Expansion of the Universe
- High School
- Middle School
- Instructional Material
= Tutorial
- Reference Material
= Article
- Audio/Visual
= Movie/Animation
Intended Users Formats Ratings
- Learners
- Educators
- image/gif
- text/html
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Access Rights:
Free access
© 1998 Edward Wright
cosmology, expansion, universe
Record Creator:
Metadata instance created February 8, 2011 by Raina Khatri
Record Updated:
February 8, 2011 by Ed Lee
Last Update
when Cataloged:
May 8, 1998
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
E. Wright, (1998), WWW Document, (
E. Wright, Balloon Analogy in Cosmology (1998), <>.
APA Format
Wright, E. (1998, May 8). Balloon Analogy in Cosmology. Retrieved December 11, 2023, from
Chicago Format
Wright, Edward. Balloon Analogy in Cosmology. May 8, 1998. (accessed 11 December 2023).
MLA Format
Wright, Edward. Balloon Analogy in Cosmology. 1998. 8 May 1998. 11 Dec. 2023 <>.
BibTeX Export Format
@misc{ Author = "Edward Wright", Title = {Balloon Analogy in Cosmology}, Volume = {2023}, Number = {11 December 2023}, Month = {May 8, 1998}, Year = {1998} }
Refer Export Format

%A Edward Wright %T Balloon Analogy in Cosmology %D May 8, 1998 %U %O image/gif

EndNote Export Format

%0 Electronic Source %A Wright, Edward %D May 8, 1998 %T Balloon Analogy in Cosmology %V 2023 %N 11 December 2023 %8 May 8, 1998 %9 image/gif %U

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Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Electronic References.

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