Question 1

You see a crescent Moon setting after the Sun sets. Is it waning or waxing?

Accepted Answer

A)   Can't distinguish based on the information provided
B)   Waning
C)   Waxing

Question 2

If we have a new moon today, when we will have the next full moon?

Accepted Answer

A)   In about 2 weeks
B)   In about 1 week
C)   In about 1 month
D)   In about 6 months

Question 3

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

Accepted Answer

A)   full.
B)   first quarter.
C)   third quarter.
D)   waning crescent.
E)   waxing crescent.

Question 4

If the Earth's rotation axis was tilted by 45 degrees instead of 23.5 degrees, what are some of the implications, and why?

Accepted Answer

A)   The seasons would be more extreme, because the Sun's rays would be more direct in summer, and less direct in winter.
B)   The seasons would be less extreme, because the Sun's rays would be less direct in summer, and more direct in winter.
C)   The seasons would be less extreme, because the surface of the Earth would be farther from the Sun in the summer, and closer to the Sun in the winter.
D)   The seasons would be more extreme, because the surface of the Earth would be closer to the Sun in the summer, and farther from the Sun in the winter.

Question 5

When traveling north from the United States into Canada, you'll see the North Star (Polaris)  getting ________.

Accepted Answer

A)   brighter
B)   dimmer
C)   higher in the sky
D)   lower in the sky

Question 6

It is possible to see the third-quarter moon near the western horizon at sunrise.

Accepted Answer

A) True 
 B)False

Question 7

In which direction does a quarter moon rise?

Accepted Answer

A)   north
B)   south
C)   east
D)   west
E)   The Moon becomes a quarter moon only after it has risen and changed phase.

Question 8

We describe a location on Earth's surface by stating its ________.

Accepted Answer

A)   altitude and direction (or azimuth) 
B)   meridian and longitude
C)   latitude and direction
D)   latitude and longitude

Question 9

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

Accepted Answer

Answers will vary wi...

Question 10

Which of the following statements about circumpolar stars is true at all latitudes?

Accepted Answer

A)   They are the stars close to the north celestial pole.
B)   They always remain above your horizon.
C)   They make relatively small circles, traveling clockwise around the north celestial pole.
D)   Like all other stars, they rise in the east and set in the west.
E)   You cannot see them from the Southern Hemisphere.

Question 11

The Greeks rejected the notion that the Earth orbits the Sun. Why?

Accepted Answer

A)   They could not measure how big the Earth was.
B)   They could not measure a change in stars' positions on the sky.
C)   They weren't as smart as we are.
D)   They believed that the Sun is a God.

Question 12

Which of the following never goes in retrograde motion?

Accepted Answer

A)   the Sun
B)   Venus
C)   Mars
D)   Jupiter
E)   Saturn

Question 13

A solar eclipse occurs only when the Moon is new.

Accepted Answer

A) True 
 B)False

Question 14

Suppose you live in the United States and you see a crescent moon in your evening sky tonight. What will a friend in South America see tonight?

Accepted Answer

A)   Your friend will see a gibbous moon.
B)   Your friend will also see a crescent moon.
C)   Your friend will see a first quarter moon.
D)   Your friend won't see the Moon tonight, because it is up only in the morning.

Question 15

You are standing on Earth's equator. Which way is Polaris, the North star?

Accepted Answer

A)   30 degrees up, due West
B)   on the northern horizon
C)   directly overhead
D)   The answer depends on whether it's winter or summer.
E)   The answer depends on what time of day (or night)  it is.

Exam 2: Discovering the Universe for Yourself

A solar eclipse occurs only when the Moon is new.

Correct Answer
verified

If the Earth's rotation axis was tilted by 45 degrees instead of 23.5 degrees, what are some of the implications, and why?

Correct Answer
verified

We describe a location on Earth's surface by stating its ________.

Correct Answer
verified

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

Correct Answer
verified
Answers will vary wi...
View Answer

In which direction does a quarter moon rise?

Correct Answer
verified

You see a crescent Moon setting after the Sun sets. Is it waning or waxing?

Correct Answer
verified

Suppose you live in the United States and you see a crescent moon in your evening sky tonight. What will a friend in South America see tonight?

Correct Answer
verified

You are standing on Earth's equator. Which way is Polaris, the North star?

Correct Answer
verified

It is possible to see the third-quarter moon near the western horizon at sunrise.

Correct Answer
verified

Which of the following never goes in retrograde motion?

Correct Answer
verified

The Greeks rejected the notion that the Earth orbits the Sun. Why?

Correct Answer
verified

When traveling north from the United States into Canada, you'll see the North Star (Polaris) getting ________.

Correct Answer
verified

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

Correct Answer
verified

Which of the following statements about circumpolar stars is true at all latitudes?

Correct Answer
verified

If we have a new moon today, when we will have the next full moon?

Correct Answer
verified

Exam 2: Discovering the Universe for Yourself

A solar eclipse occurs only when the Moon is new.

Correct AnswerverifiedShow Answer

If the Earth's rotation axis was tilted by 45 degrees instead of 23.5 degrees, what are some of the implications, and why?

Correct AnswerverifiedShow Answer

We describe a location on Earth's surface by stating its ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedAnswers will vary wi...View AnswerShow Answer

In which direction does a quarter moon rise?

Correct AnswerverifiedShow Answer

You see a crescent Moon setting after the Sun sets. Is it waning or waxing?

Correct AnswerverifiedShow Answer

Suppose you live in the United States and you see a crescent moon in your evening sky tonight. What will a friend in South America see tonight?

Correct AnswerverifiedShow Answer

You are standing on Earth's equator. Which way is Polaris, the North star?

Correct AnswerverifiedShow Answer

It is possible to see the third-quarter moon near the western horizon at sunrise.

Correct AnswerverifiedShow Answer

Which of the following never goes in retrograde motion?

Correct AnswerverifiedShow Answer

The Greeks rejected the notion that the Earth orbits the Sun. Why?

Correct AnswerverifiedShow Answer

When traveling north from the United States into Canada, you'll see the North Star (Polaris) getting ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following statements about circumpolar stars is true at all latitudes?

Correct AnswerverifiedShow Answer

If we have a new moon today, when we will have the next full moon?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Answers will vary wi...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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