Solar System Mechanics(40 slides) $80

This slide set consists entirely of carefully drawn graphics including a map of the solar system, illustration of Kepler's Laws, retrograde motion, planetary configurations, typical orbits of asteroids and comets. Slides show how sporadic and shower meteors evolve from cometary orbits. The geometry of an ellipse as applied to orbits is illustrated.

Copyright 1999 by Pan Terra Inc., PO Box 556, Hill City, SD, USA 57745.

All rights reserved.......Tel or fax 605-574-4760