Work Cited

Work Cited

Garlick, Mark. Astronomy. Buffalo New York: Firefly Books Ltd., 2004. 74-114. Print.

Spence, Pam. The Universe Revealed. New york NY: Cambridge University Press, 1999. 54-75. Print.

Cooley, Keith . "How The Moon Affects Ocean Tides...." /home.hiwaay.net/. Keith Cooley , 2002. Web. 27 Oct 2010. <http://home.hiwaay.net/~krcool/Astro/moon/moontides>.

Henney, Paul J. "How Earth and the Moon interact." astronomy today. astronomy today, n.d. Web. 27 Oct 2010. <http://www.astronomytoday.com/astronomy/earthmoon.html>.

Spudis, Paul D. "Moon." World Book at NASA. World Book, Inc, 2004. Web. 27 Oct 2010. <http://www.nasa.gov/worldbook/moon_worldbook.html>.

Metcalfe, Travis . "Earth's Tilt Is the Reason for the Seasons." windows2universe. National Earth Science Teachers Association, 31 Oct 2006. Web. 27 Oct 2010. <http://www.windows2universe.org/earth/climate/cli_seasons.html>.

Espenak , Fred. "Solar Eclipses for Beginners ." mreclipse. Fred Espenak, 26 Sep 2009. Web. 27 Oct 2010. <http://www.mreclipse.com/Special/SEprimer.html>.

Hathaway, Dr. David H. "Coronal Mass Ejections ." solarscience. Solar Physics, 18 Jan 2007. Web. 27 Oct 2010. <http://solarscience.msfc.nasa.gov/CMEs.shtml>.

Russell, Randy . "Coronal Mass Ejections." windows2universe. National Earth Science Teachers Association, 29 Mar 2010. Web. 27 Oct 2010. <http://www.windows2universe.org/sun/cmes.html>.

Whyte, David B. "A Matter of Degrees: How Does the Tilt of Earth's Axis Affect the Seasons? ." sciencebuddies. Science Buddies, 06 May 2009. Web. 27 Oct 2010. <http://www.sciencebuddies.org/science-fair-projects/project_ideas/EnvSci_p051.shtml>.