You too can fire Newton's Cannon off Newton's Mountain and read a lecture about it from Michael Fowler in the Physics Dept. at the University of Virginia.
Geometer's Sketchpad is a superb dynamic geometry program. Highly recommended.
Starry Night is an excellent desktop planetarium program.
This site provides a very complete explanation of gravity assist.
Last week after class, Mac Gardiner asked me about some of the instrumentation on the Mars Rover. It is a very sensitive detector for iron content and uses the Mossbauer Effect. This link explains the basic principle. This link describes the instrument on the Rover.
Instructor:
Paul Middents
360 692 3861