The Astronomy Center has provided educational resources to introductory astronomy educators since 2003. Over the past 20 years, the rapid pace of discovery has rendered some of our linked resources obsolete. Thus, the Astronomy Center will be decommissioned on March 1, 2022. Our highest quality resources will be retained on ComPADRE.org.
published by
the Sumanas, Inc
content provider:
Roger A. Freedman
This web site contains two animated tutorials that demonstrate different astronomy concepts. These are: Moon's Phases shows how the motion of the moon relative to the Earth and Sun change the appearance of the moon and Sidereal and Synodic Months demonstrates the rotation of the Earth around the Sun, and the rotation of the Moon around the Earth, defines different periods of time.
Animated Tutorials: Astronomy. (2007, May 30). Retrieved December 17, 2025, from Sumanas, Inc: http://www.sumanasinc.com/webcontent/animations/astronomy.html
%0 Electronic Source %D May 30, 2007 %T Animated Tutorials: Astronomy %I Sumanas, Inc %V 2025 %N 17 December 2025 %8 May 30, 2007 %9 application/flash %U http://www.sumanasinc.com/webcontent/animations/astronomy.html
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