1) a. The observer will rotate from the noon sun along hisdegree of altitude. Will the observer on the tropic of capricornstill be on the ecliptic plane at midnight on December 21?

b. Santa Barbara is located at 34 degrees north altitude. Ondecember 21, how many degrees does the sun appear below theoverhead at noon?

c. The sun illuminates one hemisphere of the earth at all times.Draw a line that is through the center of the Earth and alsoperpendicular to the ecliptic plane. This line is called 'theterminator', use your pencil to shade in the darkened hemisphere ofthe earth.

d. As the observer travels north, his time of rotation in thesunlight decreases. At what degree of latitude will he encounter 24hours of darkness? This degree of latitude is called the Arcticcircle, add it to the diagram in question c. How many degrees is itfrom the arctic circle to the north pole?