|Last: 2. The Sky Around Us||Next: 4. Revolution of the Spheres|
|Ch. 1-13||Eclipses occur only when the Moon crosses the ecliptic during the new or full phase|
|Ch. 1-14||There are three types of lunar eclipse|
|Ch. 1-15||There are also three types of solar eclipse|
|Ch. 3||Gravitation and the Waltz of the Planets (p. 55)|
|Ch. 3||ORIGINS OF A SUN-CENTERED UNIVERSE (p. 56)|
A resource center for archaeoastronomy (astronomy in ancient times) and ethnoastronomy (astronomy in different cultures).
Learn about traditional and modern techniques for navigating without instruments.
Extensive on-line data on past and future eclipses.
Photographs of the August 11, 1999 Solar Eclipse.
Interactive demonstration of eclipse geometry, created by Rob Scharein at UBC.
Homework 3: Angular Size Of The Sun, due 9/18.
Quiz 3: Eclipses, given 9/13.
Last modified: September 13, 2001