Exam 2: Discovering the Universe for Yourself

Suppose you lived on the Moon near the center of the face that we see from Earth.During the phase of new Moon,what phase would you see for Earth? Would it be day or night at your home?

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

Consider the following statement,and explain whether or not it is sensible: Last night I saw Mars move westward through the sky in its apparent retrograde motion.

The stars of Orion's belt rise in the east and set in the west.

A million years from now,Alpha Centauri will no longer be the nearest star system to our own.

What conditions are required for a lunar eclipse?

Which of the following statements about the celestial sphere is not true?

What is stellar parallax?

If the Moon rises around 3 A.M. ,its phase must be

Which of the following statements about lunar phases is true?

What is the saros cycle?

A solar eclipse occurs only when the Moon is new.

If,from the point of view of Earth-bound observers,the Moon is in new Moon phase on a particular day,what phase is Earth as seen from the Moon?

What happens during the apparent retrograde motion of a planet?

In any particular place on Earth,certain constellations are visible in the evening only at certain times of the year because

Consider the following statement,and explain whether or not it is sensible: When I looked into the dark fissure of the Milky Way with my binoculars,I saw what must have been a cluster of distant galaxies.