Question 1

If you point toward the zenith right now and then point there again 6 hours later, you will have pointed twice in the same direction relative to

Accepted Answer

A)  your horizon. 
B)  the sun. 
C)  the moon. 
D)  the fixed stars.

Question 2

____ is the brightest star in the constellation of Ursa Majoris.

Accepted Answer

A)  ($\beta$Ursa Majoris) 
B)  ($\gamma$ Ursa Majoris) 
C)  ($\alpha$Ursa Majoris) 
D)  Wrong! Ursa Majoris is the name of the brightest star.

Question 3

The ____ of an object can be measured in degrees.

Accepted Answer

A)  apparent brightness 
B)  apparent magnitude 
C)  zenith 
D)  angular diameter 
E)  color

Question 4

What advantage is there in referring to a star by its Greek-letter designation and constellation name rather using its traditional name?

Accepted Answer

The answer of What advantage is there in referring to...

Question 5

As Earth rotates, circumpolar stars appear to move counterclockwise around the north celestial pole.

Accepted Answer

A) True 
 B)False

Question 6

Do the constellations visible in the sky at a particular time of night (say 9 P.M.) follow a seasonal pattern?

Accepted Answer

A)  No, the same constellations are visible at 9 P.M. on any clear night of the year. 
B)  No. As the year progresses, the constellations visible at 9 P.M. are the same but their shapes change. 
C)  Yes, at 9 P.M. during a clear winter night ALL of the constellations you can see are different from the ones that appear at the same time during a summer night. 
D)  Yes, at 9 P.M. during a summer night most of the constellations you can see are different from those you can see on a winter night. However, there are some constellations that are visible all year long.

Question 7

If you are standing at the Earth's north pole, which of the following would be located at the zenith?

Accepted Answer

A)  the nadir 
B)  the star Vega 
C)  the celestial equator 
D)  the north celestial pole

Question 8

An observer in the Northern Hemisphere takes a time exposure photograph of the night sky. If the illustration below depicts the photograph taken by the observer, which direction was the camera pointing?

Accepted Answer

A)  straight north 
B)  straight east 
C)  straight south 
D)  straight west 
E)  straight up, directly overhead

Question 9

Table 2-1
 
-Refer to Table 2-1. Which star in the table would not be visible to the unaided eye of an observer on Earth?

Accepted Answer

A)  ($\alpha$ Cet) 
B)  ($\alpha$Cma) 
C)  Nim 
D)  ($\rho$ Per) 
E)  ( $\delta$ Dra)

Question 10

Star A has an apparent visual magnitude of 6.3 and star B has an apparent visual magnitude of 5.3. Star A is ____________________ times ____________________ than star B.

Accepted Answer

The answer of Star A has an apparent visual magnitude...

Question 11

Navigators can find their latitude in the northern hemisphere by measuring the angle from the northern horizon to the north celestial pole.

Accepted Answer

A) True 
 B)False

Question 12

Describe the path that a star on the celestial equator follows from the time it rises until it sets for a person at a latitude of 60° N and a person at the equator.

Accepted Answer

The answer of Describe the path that a star on...

Question 13

You live at a latitude of 39° S. What is the angle between the southern horizon and the south celestial pole?

Accepted Answer

A)  45° 
B)  23.5° 
C)  39° 
D)  51° 
E)  The answer depends on the day of the year.

Question 14

How much of the night sky is north of the celestial equator?

Accepted Answer

A)  less than one-half, because of the tilt of the equator to the ecliptic plane 
B)  more than one-half, because of the precession of the poles 
C)  exactly one-half 
D)  all of the night sky

Question 15

An observer on Earth's equator would find _______

Accepted Answer

A)  the celestial equator passing at 45 degrees above the northern horizon. 
B)  the celestial equator passing at 45 degrees above the southern horizon. 
C)  that the celestial equator coincides with the horizon. 
D)  the celestial equator passing directly overhead. 
E)  None of the above are true.

Question 16

You live at a latitude of 73° N. What is the angle between the northern horizon and the north celestial pole?

Accepted Answer

A)  73° 
B)  27° 
C)  17° 
D)  23° 
E)  5°

Question 17

Constellation names are from _____ translated into _______, the language of science in Europe to the 19th century.

Accepted Answer

A)  Greek; Latin 
B)  Latin; Greek 
C)  Latin; Arabic 
D)  Greek; English 
E)  Greek; Italian

Question 18

Seen from the northern latitudes (mid-northern hemisphere), the star Polaris

Accepted Answer

A)  is never above the horizon during the day. 
B)  always sets directly in the west. 
C)  is always above the northern horizon. 
D)  is never visible during the winter. 
E)  is the brightest star in the sky.

Question 19

You live at a latitude of 16° S. What is the angle between the southern horizon and the south celestial pole?

Accepted Answer

A)  74° 
B)  164° 
C)  16° 
D)  23° 
E)  5°

Question 20

Polaris has always been the star nearest the north celestial pole.

Accepted Answer

A) True 
 B)False

Exam 2: A Users Guide to the Sky

If you point toward the zenith right now and then point there again 6 hours later, you will have pointed twice in the same direction relative to

____ is the brightest star in the constellation of Ursa Majoris.

The ____ of an object can be measured in degrees.

What advantage is there in referring to a star by its Greek-letter designation and constellation name rather using its traditional name?

As Earth rotates, circumpolar stars appear to move counterclockwise around the north celestial pole.

Do the constellations visible in the sky at a particular time of night (say 9 P.M.) follow a seasonal pattern?

If you are standing at the Earth's north pole, which of the following would be located at the zenith?

An observer in the Northern Hemisphere takes a time exposure photograph of the night sky. If the illustration below depicts the photograph taken by the observer, which direction was the camera pointing?

Star A has an apparent visual magnitude of 6.3 and star B has an apparent visual magnitude of 5.3. Star A is times than star B.

Navigators can find their latitude in the northern hemisphere by measuring the angle from the northern horizon to the north celestial pole.

Describe the path that a star on the celestial equator follows from the time it rises until it sets for a person at a latitude of 60° N and a person at the equator.

You live at a latitude of 39° S. What is the angle between the southern horizon and the south celestial pole?

How much of the night sky is north of the celestial equator?

An observer on Earth's equator would find _______

You live at a latitude of 73° N. What is the angle between the northern horizon and the north celestial pole?

Constellation names are from _ translated into ___, the language of science in Europe to the 19th century.

Seen from the northern latitudes (mid-northern hemisphere) , the star Polaris

You live at a latitude of 16° S. What is the angle between the southern horizon and the south celestial pole?

Polaris has always been the star nearest the north celestial pole.

Exam 2: A Users Guide to the Sky

If you point toward the zenith right now and then point there again 6 hours later, you will have pointed twice in the same direction relative to

____ is the brightest star in the constellation of Ursa Majoris.

The ____ of an object can be measured in degrees.

What advantage is there in referring to a star by its Greek-letter designation and constellation name rather using its traditional name?

As Earth rotates, circumpolar stars appear to move counterclockwise around the north celestial pole.

Do the constellations visible in the sky at a particular time of night (say 9 P.M.) follow a seasonal pattern?

If you are standing at the Earth's north pole, which of the following would be located at the zenith?

An observer in the Northern Hemisphere takes a time exposure photograph of the night sky. If the illustration below depicts the photograph taken by the observer, which direction was the camera pointing?

Table 2-1 -Refer to Table 2-1. Which star in the table would not be visible to the unaided eye of an observer on Earth?

Star A has an apparent visual magnitude of 6.3 and star B has an apparent visual magnitude of 5.3. Star A is ____________________ times ____________________ than star B.

Navigators can find their latitude in the northern hemisphere by measuring the angle from the northern horizon to the north celestial pole.

Describe the path that a star on the celestial equator follows from the time it rises until it sets for a person at a latitude of 60° N and a person at the equator.

You live at a latitude of 39° S. What is the angle between the southern horizon and the south celestial pole?

How much of the night sky is north of the celestial equator?

An observer on Earth's equator would find _______

You live at a latitude of 73° N. What is the angle between the northern horizon and the north celestial pole?

Constellation names are from _____ translated into _______, the language of science in Europe to the 19th century.

Seen from the northern latitudes (mid-northern hemisphere) , the star Polaris

You live at a latitude of 16° S. What is the angle between the southern horizon and the south celestial pole?

Polaris has always been the star nearest the north celestial pole.

Star A has an apparent visual magnitude of 6.3 and star B has an apparent visual magnitude of 5.3. Star A is times than star B.

Constellation names are from _ translated into ___, the language of science in Europe to the 19th century.