Question 1

During a period of high solar activity, the corona

Accepted Answer

A)  disappears. 
B)  is more irregular. 
C)  cools almost to the temperature of the photosphere. 
D)  becomes smooth and even. 
E)  shrinks to half its normal size. 
A)  disappears. 
B)  is more irregular. 
C)  cools almost to the temperature of the photosphere. 
D)  becomes smooth and even. 
E)  shrinks to half its normal size.

Question 2

Granulation is the most obvious proof of solar convective energy transport.

Accepted Answer

A) True 
 B)False

Question 3

There appears to be a correlation between the 22-year solar cycle and

Accepted Answer

A)  droughts in North America. 
B)  asteroid impacts on Earth. 
C)  change of which political party has the majority in the U.S. Congress. 
D)  the length of Mercury's day. 
E)  the length of Saturn's year. 
A)  droughts in North America. 
B)  asteroid impacts on Earth. 
C)  change of which political party has the majority in the U.S. Congress. 
D)  the length of Mercury's day. 
E)  the length of Saturn's year.

Question 4

The vibrations of the Sun reveal information about

Accepted Answer

A)  the temperature of the core of the Sun. 
B)  the structure of the atmosphere of the Sun. 
C)  the interior structure of the Sun. 
D)  the production of energy in the Sun. 
E)  the magnetic field of the Sun. 
A)  the temperature of the core of the Sun. 
B)  the structure of the atmosphere of the Sun. 
C)  the interior structure of the Sun. 
D)  the production of energy in the Sun. 
E)  the magnetic field of the Sun.

Question 5

Sunspots

Accepted Answer

A)  are always found close to the Sun's poles. 
B)  come in pairs, representing the north and south magnetic fields. 
C)  were most numerous during the Maunder Minimum. 
D)  travel over the surface of the Sun from pole to pole. 
E)  are relatively constant in number every year. 
A)  are always found close to the Sun's poles. 
B)  come in pairs, representing the north and south magnetic fields. 
C)  were most numerous during the Maunder Minimum. 
D)  travel over the surface of the Sun from pole to pole. 
E)  are relatively constant in number every year.

Question 6

What is it about the Sun's corona that astronomers don't understand?

Accepted Answer

A)  No one knows why that part of the Sun's atmosphere does not drift away into space. 
B)  During total solar eclipses, the corona sometimes disappears from view. 
C)  The corona seems to absorb 2/3 of the neutrinos that pass through it. 
D)  The corona is much hotter than layers of the Sun that are closer to the solar interior. 
E)  The Sun's corona extends to the outer reaches of the solar system. 
A)  No one knows why that part of the Sun's atmosphere does not drift away into space. 
B)  During total solar eclipses, the corona sometimes disappears from view. 
C)  The corona seems to absorb 2/3 of the neutrinos that pass through it. 
D)  The corona is much hotter than layers of the Sun that are closer to the solar interior. 
E)  The Sun's corona extends to the outer reaches of the solar system.

Question 7

How would sunspots appear if you could magically remove them from the Sun?

Accepted Answer

A)  They would appear blue-white, like Sirius but brighter. 
B)  Because sunspots are dark spots, they would be invisible against the blackness of space. 
C)  They would shine bright orange in color, like Arcturus. 
D)  They would not appear any differently than on the surface of the Sun. 
E)  They would shine only with reflected sunlight, appearing similar to Venus. 
A)  They would appear blue-white, like Sirius but brighter. 
B)  Because sunspots are dark spots, they would be invisible against the blackness of space. 
C)  They would shine bright orange in color, like Arcturus. 
D)  They would not appear any differently than on the surface of the Sun. 
E)  They would shine only with reflected sunlight, appearing similar to Venus.

Question 8

Prominences hanging off the limb of the Sun are the same as filaments seen in front of the disk.

Accepted Answer

A) True 
 B)False

Question 9

Visible sunspots lie in the

Accepted Answer

A)  chromosphere. 
B)  transition zone. 
C)  corona. 
D)  radiative zone. 
E)  granulation in the photosphere. 
A)  chromosphere. 
B)  transition zone. 
C)  corona. 
D)  radiative zone. 
E)  granulation in the photosphere.

Question 10

The density of the Sun is most similar to which object?

Accepted Answer

A)  Halley's Comet's nucleus 
B)  The Earth 
C)  Mercury 
D)  The Moon 
E)  Jupiter 
A)  Halley's Comet's nucleus 
B)  The Earth 
C)  Mercury 
D)  The Moon 
E)  Jupiter

Question 11

What are the main constituents of the solar wind?

Accepted Answer

Protons and electron

Question 12

From where does most of the solar wind flow?

Accepted Answer

A)  Granules 
B)  Sunspots 
C)  Flares 
D)  Prominences 
E)  Coronal holes 
A)  Granules 
B)  Sunspots 
C)  Flares 
D)  Prominences 
E)  Coronal holes

Question 13

How is energy transfer from the solar interior to surface similar to a process in Earth's atmosphere?

Accepted Answer

The process of convection is r

Question 14

What was the Maunder Minimum?

Accepted Answer

A period of unusually low solar activity

Question 15

Explain what is meant by the solar cycle. What role does magnetism play?

Accepted Answer

The solar cycle is the periodic reversal

During a period of high solar activity, the corona

Granulation is the most obvious proof of solar convective energy transport.

There appears to be a correlation between the 22-year solar cycle and

The vibrations of the Sun reveal information about

Sunspots

What is it about the Sun's corona that astronomers don't understand?

How would sunspots appear if you could magically remove them from the Sun?

Prominences hanging off the limb of the Sun are the same as filaments seen in front of the disk.

Visible sunspots lie in the

The density of the Sun is most similar to which object?

What are the main constituents of the solar wind?

From where does most of the solar wind flow?

How is energy transfer from the solar interior to surface similar to a process in Earth's atmosphere?

What was the Maunder Minimum?

Explain what is meant by the solar cycle. What role does magnetism play?

The Night Sky

Light and Telescopes

The Solar System

Earth and Its Moon

The Eight Planets

Small Bodies in the Solar System

Formation of Planetary Systems

Measuring the Stars

Star Formation and Evolution

Stellar Explosions

Black Holes

The Milky Way Galaxy

Galaxies

Cosmology and the Universe

Filters

Exam 8: The Sun

During a period of high solar activity, the corona

Granulation is the most obvious proof of solar convective energy transport.

There appears to be a correlation between the 22-year solar cycle and

The vibrations of the Sun reveal information about

Sunspots

What is it about the Sun's corona that astronomers don't understand?

How would sunspots appear if you could magically remove them from the Sun?

Prominences hanging off the limb of the Sun are the same as filaments seen in front of the disk.

Visible sunspots lie in the

The density of the Sun is most similar to which object?

What are the main constituents of the solar wind?

From where does most of the solar wind flow?

How is energy transfer from the solar interior to surface similar to a process in Earth's atmosphere?

What was the Maunder Minimum?

Explain what is meant by the solar cycle. What role does magnetism play?

The Night Sky

Light and Telescopes

The Solar System

Earth and Its Moon

The Eight Planets

Small Bodies in the Solar System

Formation of Planetary Systems

Measuring the Stars

Star Formation and Evolution

Stellar Explosions

Black Holes

The Milky Way Galaxy

Galaxies

Cosmology and the Universe

Filters