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Chapter 18: Cosmology: The Nature of the Universe
The Expanding Universe
This site explains the Hubble expansion and contains a movie that illustrates the expansion of space. (The movie is not as good as the animation supplied with your textbook.) Follow the links at the bottom of each page for additional information on topics related to cosmology.
Visit the Expanding Universe web site
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Evidence: Background Radiation
WMAP is the "Wilkinson Microwave Anisotropy Probe," the purpose of which is to examine the Cosmic Microwave Background (CMB) radiation. This NASA site explains it and includes much more about cosmology.
Visit the WMAP Home Page web site
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The Future: Will Expansion Stop?
Professor George Smoot's group conducts research on the early universe using the Cosmic Microwave Background radiation (CMB) and other astrophysical sources. Visit this site to learn about his research projects, including Max, Maxima, and Boomerang.
Visit the Smoot Astrophysics Research Program web site
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