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The Expanded Universe: Playing with Time

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In this activity, participants use balloons to model the expansion of the universe and observe how expansion affects wavelengths of light and distance between galaxies

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Hints for uses in your library This is a great in-person activity or virtual demonstration, or try turning it into a Take & Make activity by including the materials (balloons and stickers) and page 3-4 of the activity instructions.
Related Links The Expanded Universe: Fundamental Science Concepts Blog

NASA Learn Science
NASA Micro Macro
Exploring the Universe: Filtered Light
The ViewSpace Video Library: History and Origins of the Universe
Tour of the Electromagnetic Spectrum
Deep Field: The Impossible Magnitude of our Universe
James Webb Space Telescope
NASA's JWST Informal Education Resources
Originating Source NASA's Universe of Learning;
Related Books
[Suggest a book] 		The Mysteries of the Universe: Discover the Best-Kept Secrets of Space by Will Gater
Astrophysics for Young People in a Hurry by Neil Degrasse Tyson, Gregory Mone, and Levar Burton
Space Dictionary for Kids: The Everything Guide for Kids Who Love Space by Amy Anderson and Brian Anderson
Galaxies and the Universe by World Book, Inc

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The Expanded Universe: Playing with Time

The Expanded Universe: Playing with Time

In this activity, participants use balloons to model the expansion of the universe and observe how expansion affects wavelengths of light and distance between galaxies