Exam 2: Discovering the Universe for Yourself

What happens during the apparent retrograde motion of a planet?

If the Moon is rising at midnight, the phase of the Moon must be

If the Moon is setting at 6 A.M., the phase of the Moon must be

Suppose it is full moon. What phase of Earth would someone on the Moon see at this time?

Why does the Milky Way appear as a band of light in the sky?

At what altitude and in what direction in your sky does the north or south celestial pole appear?

What makes the North Star, Polaris, special?

Ancient people who knew the saros cycle could

Which of the following statements about lunar phases is true?

The point directly over your head is called _ .

The Milky Way can be seen only from the Northern Hemisphere.

A lunar eclipse occurs only when the Moon is new.

Which of the following situations would result in the longest days during the summer? (Assume an axis tilt of 0 degrees is an axis perpendicular to the ecliptic plane.)

The Moon's orbit around the Earth is tilted by about 5 degrees with respect to Earth's orbit around the Sun. As a result, the approximate number of solar eclipses that occur each year is approximately

Suppose you use the Southern Cross to determine that the south celestial pole appears 40 degrees above your horizon. Then you must be located at _ _.

"Gibbous" means a nearly full moon. If I see a waxing gibbous moon tonight, what moon phase will I see in one week?

During the time that a planet is in its period of apparent retrograde motion, .

The Moon and Sun are approximately the same physical size.

The Sun's path, as viewed from the equator, is highest in the sky on .

The Andromeda Galaxy is faintly visible to the naked eye in the constellation Andromeda. Suppose instead it were located in the same direction in space as the center of the Milky Way Galaxy (but still at its current distance). How would it appear to the eye in that case?