Question 1

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

Question 2

You stand at attention with your arm overhead and finger pointing to the sky for 12 hours. During this entire time, your finger traces along the celestial equator in the sky. Where are you located on Earth?

Accepted Answer

A)  North Pole 
B)  South Pole 
C)  equator 
D)  mid-latitude between the equator and the North Pole 
A)  North Pole 
B)  South Pole 
C)  equator 
D)  mid-latitude between the equator and the North Pole

Question 3

The star Vega has an apparent visual magnitude of 0.03 and the star HR 4374 has an apparent visual magnitude of 4.87. It has been determined that both stars are at the same distance from Earth. What does this information tell us about the two stars?

Accepted Answer

A)  Vega must be closer to Earth than HR 4374. 
B)  Vega must be farther from Earth than HR 4374. 
C)  Vega must produce less energy per second than HR 4374. 
D)  Vega must produce more energy per second than HR 4374. 
E)  Vega will appear fainter to us than HR 4374. 
A)  Vega must be closer to Earth than HR 4374. 
B)  Vega must be farther from Earth than HR 4374. 
C)  Vega must produce less energy per second than HR 4374. 
D)  Vega must produce more energy per second than HR 4374. 
E)  Vega will appear fainter to us than HR 4374.

Question 4

A(n) ____ is 1/60th of a degree.

Accepted Answer

A)  precession 
B)  second of arc 
C)  minute of arc 
D)  nadir 
E)  angular diameter 
A)  precession 
B)  second of arc 
C)  minute of arc 
D)  nadir 
E)  angular diameter

Question 5

If you were standing on the Earth's equator, which of the following in the sky would pass through your zenith during the entire day (24 hours)?

Accepted Answer

A)  the north celestial pole 
B)  the south celestial pole 
C)  the celestial equator 
D)  the nadir 
A)  the north celestial pole 
B)  the south celestial pole 
C)  the celestial equator 
D)  the nadir

Question 6

A unit of angular diameter could be meters.

Accepted Answer

A) True 
 B)False

Question 7

The celestial sphere is a scientific model.

Accepted Answer

A) True 
 B)False

Question 8

A star has an apparent visual magnitude of +19. Which will you need to see this star?

Accepted Answer

A)  naked eye 
B)  binoculars 
C)  telescope like Hubble Space Telescope 
D)  All of the other choices can be used. 
A)  naked eye 
B)  binoculars 
C)  telescope like Hubble Space Telescope 
D)  All of the other choices can be used.

Question 9

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

Question 10

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. 
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 11

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

Accepted Answer

A) True 
 B)False

Question 12

A third apparent visual magnitude star is brighter than a fifth apparent visual magnitude star.

Accepted Answer

A) True 
 B)False

Question 13

Angular distance from the horizon to the south celestial pole always equals your latitude.

Accepted Answer

A) True 
 B)False

Question 14

A scientific model is a mental conception that provides a framework that helps us think about some aspect of nature.

Accepted Answer

A) True 
 B)False

Question 15

The Greek letter designation conveys information about a star's location and brightness.

Accepted Answer

A) True 
 B)False

Question 16

a) Explain which star is apparently brighter to you as viewed from Earth on a clear night, a star with a negative value or a star with a positive value. b) If star A has an apparent visual magnitude that is more negative than star B, which is the brighter star?

Accepted Answer

a) The negative star is the ap

Question 17

How is a constellation different from an asterism?

Accepted Answer

​ 
A constellation is a group of stars i

Question 18

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)  23.4° 
E)  5° 
A)  73° 
B)  27° 
C)  17° 
D)  23.4° 
E)  5°

Question 19

What causes precession and why does it "move" the celestial equator among the stars?

Accepted Answer

Precession is caused by gravitational fo

Question 20

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

Accepted Answer

A) True 
 B)False

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

You stand at attention with your arm overhead and finger pointing to the sky for 12 hours. During this entire time, your finger traces along the celestial equator in the sky. Where are you located on Earth?

The star Vega has an apparent visual magnitude of 0.03 and the star HR 4374 has an apparent visual magnitude of 4.87. It has been determined that both stars are at the same distance from Earth. What does this information tell us about the two stars?

A(n) ____ is 1/60th of a degree.

If you were standing on the Earth's equator, which of the following in the sky would pass through your zenith during the entire day (24 hours)?

A unit of angular diameter could be meters.

The celestial sphere is a scientific model.

A star has an apparent visual magnitude of +19. Which will you need to see this star?

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?

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

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

A third apparent visual magnitude star is brighter than a fifth apparent visual magnitude star.

Angular distance from the horizon to the south celestial pole always equals your latitude.

A scientific model is a mental conception that provides a framework that helps us think about some aspect of nature.

The Greek letter designation conveys information about a star's location and brightness.

a) Explain which star is apparently brighter to you as viewed from Earth on a clear night, a star with a negative value or a star with a positive value. b) If star A has an apparent visual magnitude that is more negative than star B, which is the brighter star?

How is a constellation different from an asterism?

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

What causes precession and why does it "move" the celestial equator among the stars?

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

Here and Now

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 2: A Users Guide to the Sky

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

You stand at attention with your arm overhead and finger pointing to the sky for 12 hours. During this entire time, your finger traces along the celestial equator in the sky. Where are you located on Earth?

The star Vega has an apparent visual magnitude of 0.03 and the star HR 4374 has an apparent visual magnitude of 4.87. It has been determined that both stars are at the same distance from Earth. What does this information tell us about the two stars?

A(n) ____ is 1/60th of a degree.

If you were standing on the Earth's equator, which of the following in the sky would pass through your zenith during the entire day (24 hours)?

A unit of angular diameter could be meters.

The celestial sphere is a scientific model.

A star has an apparent visual magnitude of +19. Which will you need to see this star?

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?

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

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

A third apparent visual magnitude star is brighter than a fifth apparent visual magnitude star.

Angular distance from the horizon to the south celestial pole always equals your latitude.

A scientific model is a mental conception that provides a framework that helps us think about some aspect of nature.

The Greek letter designation conveys information about a star's location and brightness.

a) Explain which star is apparently brighter to you as viewed from Earth on a clear night, a star with a negative value or a star with a positive value. b) If star A has an apparent visual magnitude that is more negative than star B, which is the brighter star?

How is a constellation different from an asterism?

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

What causes precession and why does it "move" the celestial equator among the stars?

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

Here and Now

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

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