Asimov, Isaac. Star Sycles: The Life and Death of Stars. Milwaukee, Wisconsin: Gareth Stevens Publishing, 1995.
Heil, David. Discover the Wonder. Glenview, Illinois: Scott Foresman, 1993.
Miles, Lisa and Smith, A. The Usborne Complete Book of Astronomy and Space. New York: Scholastic, 1998.
Mosley, John. The Ultimate Guide to the Sky. Los Angeles: RJA Publishing Group, 1997.
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