Image is provided by http://spaceboy.nasda.go.jp/note/rocket/E/roc09_e.html

 Information and pictures were provided by:

http://quest.arc.nasa.gov/space/teachers/rockets/rocketry.html

http://spaceboy.nasda.go.jp/note/rocket/E/Roc09_e.html

http://pao.gsfc.nasa.gov/gsfc/service/gallery/fact_sheets/general/frocket/

http://howstuffworks.com/rocket.htm

http://www.im.lcs.mit.edu/rocket/intro.html