Matlab Getting Started Guide (Recommended Sections: Introduction, Matrices and Arrays, Graphics, & Programming). There is also a PDF Guide for increasing the speed of your code.
Animation of Orbital Elements
Useful Animation of a Body 3-1-3 Rotation Sequence
NASA Launch Services Launch Vehicle Performance Website
Reference on Euler Angles
CNN posting on the Kepler Mission
Lunar and Planetary Institute Summaries for the Luna Programme
New Horizons Trajectory Animation
Ikaros Project Home Page
Great "HowStuffWorks" Description of the Space Shuttle