Astronomy 110, Homework #10

Due November 28th, 2011

Name:______________________________________________________

The Catch-All Homework: Where we have come this semester Do not, I repeat do not try to squeeze your answers in the microscopic spaces--use the back, or another piece of paper!

In the diagram below we show the Moon in four positions in its orbit around the Earth. Note that from above the North Pole of the Earth, the Moon moves in a counter-clockwise direction.

1. Shade in the dark side hemisphere of the Moon, and label the four positions with the correct name for the phases as seen from the Earth (8pts)

2. Given the following dates and cities, what season is it? That is the season the people living there are experiencing--not what it is where you live. [Yes, you will have to go find the latitude of these cities!] (6 pts)

a) November 21st, Cape Town, South Africa: _______________________

b) August 3rd, Calgary, Alberta (Canda): _______________________

b) June 3rd, Cairo, Egypt: _______________________

3. Why is the rise of astronomy tied to the rise of agriculture? (6 pts)

4. The Sun is halfway through its lifetime. What does this actually mean? Describe (listing the various big events along the way) how the Sun will "die"? (5 pts)