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Top: Kids and Teens: School Time: Science: Astronomy and Space: Galaxies (3)
http://www.simiax.com//Kids_and_Teens/School_Time/Science/Astronomy_and_Space/Galaxies/index.htm
Classifying Galaxies - Includes pictures and a lesson for learning Hubble's system of classification.
Galaxies Galore, Games, and More - Includes a number of interactive games for learning about galaxies.
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