Exam 9: The Moon

Suppose a solar eclipse occurred today.What is the soonest that another eclipse could occur and what kind of eclipse would it be?

How fast is the Moon spiraling away from the Earth per year?

Approximately how old are the oldest of the lunar samples returned to Earth by the Apollo astronauts?

If the Moon is fairly far away from the Earth,so that the umbra of the moon does not reach the Earth,what would someone directly behind the umbra see from Earth?

The giant impact theory attributes the origin of the Moon to the impact of a Mars-size body with the Earth.Which of the following is both a true statement and supports the impact theory of the Moon's origin?

Which of the following would NOT be true if the rotation and revolution periods of the Moon weren't the same

The surface of the Moon

Which of the following is now thought to be the most likely way in which the Moon formed?

The Moon keeps the same face turned toward the Earth because it

The dark,relatively smooth regions of the Moon's surface are the

Which of the following statements about the ages of lunar rocks is NOT true?

The diameter of the Moon is greater from front to back (seen from the Earth)than it is from pole to pole.What is responsible for the observed difference in diameters?

If a part of the Moon passes through the umbra of the Earth,what will we see?

How does the impact theory of the origin of the Moon account for the differences between the chemical compositions of the Earth and the Moon?

What kind of eclipse do we see when the Moon is partly within the Earth's umbral shadow?

One of the most important results of the Apollo missions to the Moon was the determination

Eclipses do not occur each month because the

The lunar soil was produced by

According to the fission theory of the origin of the Moon,what solar system body split to give birth to the Moon?

According to the giant impact model of the formation of the Moon,the collision between what two objects led to the formation of the Moon?