Topic 9 - Exploring the Moon

Question 1

Name three differences between the Far Side and the Near Side:

Answer 1

The Far Side:
- has a thicker crust
- is more cratered
- has less maria

Question 2

When and how was the Far Side first observed?

Answer 2

In 1959 it was photographed by Soviet Luna 3.

Question 3

What has to happen for a rocket to get to space?

Answer 3

The rocket has to travel at 11.2km per second/the escape velocity

Question 4

Apollo mission 1:

Answer 4

Fire on launch pad

Question 5

Apollo missions 2-6:

Answer 5

Unmanned test launches

Question 6

Apollo mission 7:

Answer 6

First to space

Question 7

Apollo mission 8:

Answer 7

First manned flight around the Moon

Question 8

Apollo mission 9:

Answer 8

First to carry lunar module

Question 9

Apollo mission 10:

Answer 9

Dress rehearsal

Question 10

Apollo mission 11:

Answer 10

20th July 1969

Question 11

Apollo mission 12:

Answer 11

Further manned landing

Question 12

Apollo mission 13:

Answer 12

Failed

Question 13

Apollo missions 14-17:

Answer 13

Further manned landings
Apollo mission 15:
- First to drive on the Moon

Question 14

What is the Giant Impact Hypothesis?

Answer 14

A large body called Theia smashed into the Earth, producing the Earth and the Moon.

Question 15

What evidence supports the Giant Impact Hypothesis?

Answer 15

• KREEP, oxygen isotopes
• no Moon water
• small iron core

Question 16

What is the Capture Theory?

Answer 16

The Moon was happily sailing through space when it was captured by Earth’s gravity and began orbiting it.

Question 17

What evidence helps to disprove the Capture Theory?

Answer 17

• KREEP
• How did the Moon slow down so significantly?

Question 18

What is the Co-accretion Theory?

Answer 18

The Earth and Moon were formed in the same place.

Question 19

What evidence suggests that the Co-accretion theory might not be true?

Answer 19

• Why does the Moon have a small iron core?
• Why the inclined and elliptical orbit?

Question 20

What are the percentages of the cores from the total internal divisions?

Answer 20

Moon - 20%
Earth - 50%