Question 1

What is the name of the layer of the Sun's atmosphere that appears as a pinkish ring just outside the visible disk of the Sun during a total solar eclipse?

Accepted Answer

A)   The chromosphere
B)   The convective zone
C)   The photosphere
D)   The coronaE) A) and B)
F) A) and D)

Question 2

The phrase "hydrostatic equilibrium" in the Sun refers to the

Accepted Answer

A)   balance of gas pressure outward and magnetic forces inward.
B)   creation of one helium nucleus for the "destruction" of every four hydrogen nuclei.
C)   balance of gas pressure inward and heat outward.
D)   balance of gravity inward and gas pressure outward.E) A) and B)
F) B) and C)

Question 3

Describe the solar sunspot cycle.

Accepted Answer

There is a cycle of increased and decrea...

Question 4

When the Sun is experiencing solar sunspot maximum,we are more likely to experience

Accepted Answer

A)   a health hazard to astronauts in orbit.
B)   disruption in electrical and communication equipment on Earth's surface.
C)   more aurorae than normal.
D)   All of theseE) A) and C)
F) B) and C)

Question 5

How does Einstein's famous equation,E = mc2,relate to the production of the Sun's energy?

Accepted Answer

A small amount of mass is tran...

Question 6

There is a large increase in temperature in the transition region between the chromosphere and the corona.

Accepted Answer

A) True 
 B)False

Question 7

Coronal heating occurs

Accepted Answer

A)   all of the time,even when the Sun is quiet.
B)   only during sunspot maximum.
C)   only during sunspot minimum.
D)   only during coronal mass ejections.E) A) and C)
F) B) and C)

Question 8

List the internal layers of the Sun (not the atmosphere)from the center outward and describe how energy is transported in each.

Accepted Answer

The layers are the core,the radiative zo...

Question 9

Astronomers speak of a 22-year solar sunspot cycle because it is the time it takes

Accepted Answer

A)   to go from sunspot minimum to sunspot maximum.
B)   to go from one sunspot maximum to the next sunspot maximum.
C)   to go from one sunspot minimum to the next sunspot minimum.
D)   the Sun's magnetic pattern to repeat itself,which equals two sunspot cycles.E) All of the above
F) A) and B)

Question 10

What is the name of a jet of rising gas in the chromosphere of the Sun?

Accepted Answer

A)   A spicule
B)   A granule
C)   A flare
D)   A sunspotE) A) and D)
F) C) and D)

Question 11

When four protons collide to form helium,what fraction of the original mass of the protons is converted to energy?

Accepted Answer

A)   20%
B)   0.7%
C)   100%
D)   4%E) B) and C)
F) All of the above

Question 12

Coronal holes are thought to be the source of

Accepted Answer

A)   the solar wind.
B)   powerful loops of magnetic field linked to active regions.
C)   influence on human behavior (e.g. ,astrology) .
D)   dust released from the Sun.E) A) and B)
F) All of the above

Question 13

An arching column of gas suspended over a sunspot group is called a

Accepted Answer

A)   coronal hole.
B)   prominence.
C)   flare.
D)   spicule.E) B) and C)
F) A) and B)

Question 14

Which of the following moving particles would a magnetic field NOT deflect?

Accepted Answer

A)   Electron
B)   Proton
C)   Positron
D)   NeutronE) All of the above
F) A) and D)

Question 15

Even though the corona is of very high temperature,it is dim compared to the photosphere because it is very

Accepted Answer

A)   low density compared with the photosphere.
B)   high density compared with the photosphere.
C)   fast moving compared with the photosphere.
D)   slow moving compared with the photosphere.E) None of the above
F) All of the above

Question 16

Magnetic fields deflect moving electrically charged objects.

Accepted Answer

A) True 
 B)False

Question 17

Describe each of the solar disturbances of prominences,solar flares,and coronal mass ejections and identify which one is the most energetic.

Accepted Answer

A prominence is a bright,arching column ...

Question 18

Just outside the radiation zone lies the

Accepted Answer

A)   convection zone.
B)   conduction zone.
C)   photosphere.
D)   corona.E) B) and D)
F) B) and C)

Question 19

A high-resolution image of the Sun's chromosphere taken through a hydrogen alpha filter shows numerous vertical spikes,which are actually jets of rising gas called

Accepted Answer

A)   granules.
B)   spicules.
C)   prominences.
D)   solar winds.E) C) and D)
F) A) and C)

Question 20

Which one of the following is NOT considered to be a feature of the quiet Sun?

Accepted Answer

A)   A sunspot
B)   The solar wind
C)   A granule
D)   A spiculeE) B) and C)
F) All of the above

Exam 9: Probing the Dynamic Sun

Astronomers speak of a 22-year solar sunspot cycle because it is the time it takes

Correct AnswerverifiedShow Answer

Even though the corona is of very high temperature,it is dim compared to the photosphere because it is very

Correct AnswerverifiedShow Answer

There is a large increase in temperature in the transition region between the chromosphere and the corona.

Correct AnswerverifiedShow Answer

Describe the solar sunspot cycle.

Correct AnswerverifiedThere is a cycle of increased and decrea...View AnswerShow Answer

Magnetic fields deflect moving electrically charged objects.

Correct AnswerverifiedShow Answer

List the internal layers of the Sun (not the atmosphere)from the center outward and describe how energy is transported in each.

Correct AnswerverifiedThe layers are the core,the radiative zo...View AnswerShow Answer

Just outside the radiation zone lies the

Correct AnswerverifiedShow Answer

Describe each of the solar disturbances of prominences,solar flares,and coronal mass ejections and identify which one is the most energetic.

Correct AnswerverifiedA prominence is a bright,arching column ...View AnswerShow Answer

When the Sun is experiencing solar sunspot maximum,we are more likely to experience

Correct AnswerverifiedShow Answer

Which of the following moving particles would a magnetic field NOT deflect?

Correct AnswerverifiedShow Answer

Which one of the following is NOT considered to be a feature of the quiet Sun?

Correct AnswerverifiedShow Answer

An arching column of gas suspended over a sunspot group is called a

Correct AnswerverifiedShow Answer

When four protons collide to form helium,what fraction of the original mass of the protons is converted to energy?

Correct AnswerverifiedShow Answer

The phrase "hydrostatic equilibrium" in the Sun refers to the

Correct AnswerverifiedShow Answer

What is the name of the layer of the Sun's atmosphere that appears as a pinkish ring just outside the visible disk of the Sun during a total solar eclipse?

Correct AnswerverifiedShow Answer

What is the name of a jet of rising gas in the chromosphere of the Sun?

Correct AnswerverifiedShow Answer

How does Einstein's famous equation,E = mc2,relate to the production of the Sun's energy?

Correct AnswerverifiedA small amount of mass is tran...View AnswerShow Answer

Coronal holes are thought to be the source of

Correct AnswerverifiedShow Answer

A high-resolution image of the Sun's chromosphere taken through a hydrogen alpha filter shows numerous vertical spikes,which are actually jets of rising gas called

Correct AnswerverifiedShow Answer

Coronal heating occurs

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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There is a cycle of increased and decrea...
View Answer

Correct Answer
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Correct Answer
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The layers are the core,the radiative zo...
View Answer

Correct Answer
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Correct Answer
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A prominence is a bright,arching column ...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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How does Einstein's famous equation,E = mc²,relate to the production of the Sun's energy?

Correct Answer
verified
A small amount of mass is tran...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified