Question 1

The diagram below shows three approximate locations of the sun along the western horizon. Which number indicates the location of the sun at sunset on June 21 for an observer at a latitude of 77 N?

Accepted Answer

A)   1
B)   2
C)   3
D)   The sun will not rise for an observer in the northern hemisphere.
E)   The sun will not set on June 21 at this latitude.

Question 2

The diagram below shows three approximate locations of the sun along the western horizon. Which number indicates the location of the sun at sunset on June 21 for an observer at a latitude of 37 N?

Accepted Answer

A)   1
B)   2
C)   3
D)   The sun will not rise for an observer in the northern hemisphere.
E)   The sun will not set on June 21 at this latitude.

Question 3

Northern Hemisphere winters are colder than Northern Hemisphere summers because

Accepted Answer

A)   Earth is closer to the sun during the summer than it is during the winter.
B)   the snow that falls in the northern latitudes cools Earth during the winter.
C)   the light from the sun shines more directly on the Northern Hemisphere during the summer.
D)   the period of sunlight is longer during the summer than during the winter.
E)   c and d

Question 4

A total solar eclipse will be visible from the same location on Earth one saros cycle later.

Accepted Answer

A) True 
 B)False

Question 5

What is the angle between the noon sun on the winter solstice and the southern horizon for an observer at a latitude of 38 N?

Accepted Answer

A)   38
B)   52
C)   75.5
D)   28.5
E)   14.5

Question 6

The third quarter moon rises at noon.

Accepted Answer

A) True 
 B)False

Question 7

During a total lunar eclipse, which of the following are true?
I. The photosphere of the sun is obscured by the moon.
II. The moon is in Earth s umbra.
III. The moon is new.
IV. The moon is full.

Accepted Answer

A)   I, III
B)   II, IV
C)   I, II, III
D)   II, III
E)   I, II, III, IV

Question 8

Table 2-1 
 
-Refer to Table 2-1. Which star in the table would appear the brightest to an observer on Earth?

Accepted Answer

A)   a Cet
B)   a CMa
C)   Nim
D)   r Per
E)   d Dra

Question 9

The celestial equator always crosses the horizon at the east point and west point.

Accepted Answer

A) True 
 B)False

Question 10

The __________ of the sun is not visible during a total solar eclipse.

Accepted Answer

The answer of The __________ of the sun is not...

Question 11

_________ is the point in Earth s orbit when Earth is closest to the sun.

Accepted Answer

The answer of _________ is the point in Earth s...

Question 12

What two pieces of information are needed to determine the diameter of a far away object? Explain how that information is used to determine the diameter.

Accepted Answer

The answer of What two pieces of information are needed...

Question 13

The phase of the Moon on a particular night is determined by

Accepted Answer

A)   the season of the year.
B)   the speed of the Moon in is orbit.
C)   the relative positions of the Sun, Earth, and Moon.
D)   how the Earth s shadow hits the Moon.
E)   the distance from the Earth to the Moon.

Question 14

How are the celestial poles and equator defined by Earth s rotation?

Accepted Answer

The answer of How are the celestial poles and equator...

Question 15

The synodic period of the moon

Accepted Answer

A)   is about 27.32 days long.
B)   is the period of time for the moon to orbit Earth once with respect to the stars.
C)   is the period of time between successive eclipses at a given location on Earth.
D)   is the period of time from when the moon rises until the moon rises again the next night.
E)   none of the above

Question 16

A 3 rd magnitude star is 3 times brighter than a 1 st magnitude star.

Accepted Answer

A) True 
 B)False

Question 17

The apparent visual magnitude of a star is 7.3. This tells us that the star is

Accepted Answer

A)   one of the brighter stars in the sky.
B)   bright enough that it would be visible even during the day.
C)   not visible with the unaided eye.
D)   very far from Earth.
E)   very close to Earth.

Question 18

What is the approximate latitude of the observer in the diagram below?

Accepted Answer

A)   90 N
B)   90 S
C)   50 N
D)   50 S
E)   0

Question 19

A second magnitude star in Ursa Major is brighter than a fourth magnitude star in Orion.

Accepted Answer

A) True 
 B)False

Question 20

The ____________________ period of the moon is the time required for one revolution of the moon around Earth with respect to the stars.

Accepted Answer

The answer of The ____________________ period of the moon is...

Exam 2: Users Guide to the Sky: Patterns and Cycles

A total solar eclipse will be visible from the same location on Earth one saros cycle later.

Correct AnswerverifiedShow Answer

What is the angle between the noon sun on the winter solstice and the southern horizon for an observer at a latitude of 38 N?

Correct AnswerverifiedShow Answer

_________ is the point in Earth s orbit when Earth is closest to the sun.

Correct AnswerverifiedShow Answer

The diagram below shows three approximate locations of the sun along the western horizon. Which number indicates the location of the sun at sunset on June 21 for an observer at a latitude of 77 N?

Correct AnswerverifiedShow Answer

During a total lunar eclipse, which of the following are true? I. The photosphere of the sun is obscured by the moon. II. The moon is in Earth s umbra. III. The moon is new. IV. The moon is full.

Correct AnswerverifiedShow Answer

How are the celestial poles and equator defined by Earth s rotation?

Correct AnswerverifiedShow Answer

Northern Hemisphere winters are colder than Northern Hemisphere summers because

Correct AnswerverifiedShow Answer

The third quarter moon rises at noon.

Correct AnswerverifiedShow Answer

A 3 rd magnitude star is 3 times brighter than a 1 st magnitude star.

Correct AnswerverifiedShow Answer

The celestial equator always crosses the horizon at the east point and west point.

Correct AnswerverifiedShow Answer

The diagram below shows three approximate locations of the sun along the western horizon. Which number indicates the location of the sun at sunset on June 21 for an observer at a latitude of 37 N?

Correct AnswerverifiedShow Answer

What two pieces of information are needed to determine the diameter of a far away object? Explain how that information is used to determine the diameter.

Correct AnswerverifiedShow Answer

The phase of the Moon on a particular night is determined by

Correct AnswerverifiedShow Answer

Table 2-1 -Refer to Table 2-1. Which star in the table would appear the brightest to an observer on Earth?

Correct AnswerverifiedShow Answer

What is the approximate latitude of the observer in the diagram below?

Correct AnswerverifiedShow Answer

A second magnitude star in Ursa Major is brighter than a fourth magnitude star in Orion.

Correct AnswerverifiedShow Answer

The ____________________ period of the moon is the time required for one revolution of the moon around Earth with respect to the stars.

Correct AnswerverifiedShow Answer

The __________ of the sun is not visible during a total solar eclipse.

Correct AnswerverifiedShow Answer

The synodic period of the moon

Correct AnswerverifiedShow Answer

The apparent visual magnitude of a star is 7.3. This tells us that the star is

Correct AnswerverifiedShow Answer

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