1B Timeline Copernicus 1473-1543 Tycho 1546-1601 Kepler 1571-1630 Galileo 1564-1642 Newton 1642-1727.
© 2007 Jones and Bartlett Publishers Chapter 2 2-6 thru 2-10 From an Earth-Centered to a Sun-Centered System Courtesy of NASA/JPL-Caltech.
Wargame - Charlie Company - Infantry Combat in Vietnam 1965-1975