What is the color of the Moon during a Lunar Eclipse and why?
d. What must be true about the angular size of the Sun and the Moon in order for solar eclipses to occur? When will the next solar eclipse occur that is visible from the US? e. What part of the Sun is best seen from the ground during a total Solar Eclipse.? f. What is an eclipse season? What is the line of nodes of the Moon’s orbit around the Earth? Note that the intersection of two planes is a straight line. g. The Saros cycle is an “about” 18 year cycle caused by the orbit of the Moon precessing – just like the Pole of the Earth but faster around the plane of the ecliptic. 5. Chapter 4: Origins of Modern Astronomy a. Where is Stonehenge? What was it used for? Where are some other astronomical alignments located (mentioned in class)? What is archeo-astronomy? What does it tell us about primitive people? b. Look at the contributions of the Greeks. What was their world picture? What did Aristotle do? What did they believe about the Earth? c. What is Parallax? Why did the fact that stars
