Question 1

Fusion occurs in __________ numbers of atomic mass nuclei whereas fission occurs in ___________ numbers of atomic mass nuclei up to _________.

Accepted Answer

A)  high, low, uranium 
B)  low, high, uranium 
C)  high, low, iron 
D)  low, high, iron 
A)  high, low, uranium 
B)  low, high, uranium 
C)  high, low, iron 
D)  low, high, iron

Question 2

Draw all zones and layers of the Sun from the interior through the atmospheres and beyond, if needed.

Accepted Answer

Drawing should inclu

Question 3

The ordering of the atmospheric layers of the Sun from outer to inner is chromosphere, corona, photosphere.

Accepted Answer

A) True 
 B)False

Question 4

Most of the energy emitted by the Sun is generated in the

Accepted Answer

A)  corona. 
B)  photosphere. 
C)  chromosphere. 
D)  core. 
A)  corona. 
B)  photosphere. 
C)  chromosphere. 
D)  core.

Question 5

A filtergram is a photograph of the Sun's surface made

Accepted Answer

A)  in a band of wavelengths in the infrared. 
B)  in a band of wavelengths in the ultraviolet. 
C)  using the Zeeman effect. 
D)  with only those photons emitted in a specific spectral line. 
E)  none of the others. 
A)  in a band of wavelengths in the infrared. 
B)  in a band of wavelengths in the ultraviolet. 
C)  using the Zeeman effect. 
D)  with only those photons emitted in a specific spectral line. 
E)  none of the others.

Question 6

If energy is carried by the bulk motion of matter, that is called ____________________.

Accepted Answer

The answer of If energy is carried by the bulk...

Question 7

The _________ coincides with the period known as the "little ice age" of Europe and North America. This provides one piece of evidence that suggests a link between solar activity and the amount of solar energy Earth receives.

Accepted Answer

A)  Maunder sunspot minimum 
B)  Babcock sunspot model 
C)  coronal hole 
D)  Coulomb barrier 
E)  weak solar force 
A)  Maunder sunspot minimum 
B)  Babcock sunspot model 
C)  coronal hole 
D)  Coulomb barrier 
E)  weak solar force

Question 8

Most of the visible light we see coming from the Sun originates from the

Accepted Answer

A)  chromosphere. 
B)  photosphere. 
C)  corona. 
D)  sunspots. 
E)  magnetic field. 
A)  chromosphere. 
B)  photosphere. 
C)  corona. 
D)  sunspots. 
E)  magnetic field.

Question 9

The ____________________ shows that sunspots are associated with magnetic activity.

Accepted Answer

The answer of The ____________________ shows that sunspots are associated...

Question 10

One sees differences in ________ depending on the time in the sunspot cycle.
I. the latitude at which most sunspots occur
II. the number of sunspots that are visible
III. the rotation rate of the Sun's equator
IV. the magnetic polarity of the sunspot pair members in a hemisphere

Accepted Answer

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

Question 11

The proton-proton chain needs high temperature because

Accepted Answer

A)  of the ground state energy of the hydrogen atom. 
B)  of the presence of helium atoms. 
C)  the protons must overcome the Coulomb barrier. 
D)  of the need for low density. 
E)  the neutrinos carry more energy away than the reaction produces. 
A)  of the ground state energy of the hydrogen atom. 
B)  of the presence of helium atoms. 
C)  the protons must overcome the Coulomb barrier. 
D)  of the need for low density. 
E)  the neutrinos carry more energy away than the reaction produces.

Question 12

The intensity of a sunspot is found to be 3 times smaller than the intensity emitted by the solar surface. What is the approximate temperature of this sunspot if the temperature of the solar surface is 5800 K?

Accepted Answer

A)  4400 K 
B)  470,000 K 
C)  1900 K 
D)  7600 K 
E)  1400 K 
A)  4400 K 
B)  470,000 K 
C)  1900 K 
D)  7600 K 
E)  1400 K

Question 13

Solar prominences have twisted and looped shapes because of the solar magnetic field.

Accepted Answer

A) True 
 B)False

Question 14

_______________ is to the Sun as ____________ is to Earth.

Accepted Answer

A)  Asteroseismology, geology 
B)  Helioseismology, seismology 
C)  Seismology, volcanology 
D)  Astrology, astrobiology 
A)  Asteroseismology, geology 
B)  Helioseismology, seismology 
C)  Seismology, volcanology 
D)  Astrology, astrobiology

Question 15

Most of the visible light from the Sun originates in the photosphere.

Accepted Answer

A) True 
 B)False

Question 16

Solar flares have no known effect on Earth.

Accepted Answer

A) True 
 B)False

Question 17

The above image of the Sun was taken using a filtergram.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is suggested as the best explanation of the missing solar neutrinos?

Accepted Answer

A)  The Sun is fusing helium but not hydrogen. 
B)  Nuclear reactions do not produce neutrinos as fast as theory predicts. 
C)  The Sun may contain matter we haven't yet identified. 
D)  Neutrinos may oscillate between three different flavors. 
E)  None of the others. 
A)  The Sun is fusing helium but not hydrogen. 
B)  Nuclear reactions do not produce neutrinos as fast as theory predicts. 
C)  The Sun may contain matter we haven't yet identified. 
D)  Neutrinos may oscillate between three different flavors. 
E)  None of the others.

Question 19

How did measurements of neutrinos from the Sun pose a problem for modern astronomy and how was it resolved?

Accepted Answer

Measurements showed that only one-third

Question 20

The corona of the Sun can be observed

Accepted Answer

A)  during a lunar eclipse. 
B)  with a coronagraph. 
C)  using filtergrams. 
D)  during a lunar eclipse and with a coronagraph. 
E)  none of the others. 
A)  during a lunar eclipse. 
B)  with a coronagraph. 
C)  using filtergrams. 
D)  during a lunar eclipse and with a coronagraph. 
E)  none of the others.

Fusion occurs in ____ numbers of atomic mass nuclei whereas fission occurs in _ numbers of atomic mass nuclei up to _____.

Draw all zones and layers of the Sun from the interior through the atmospheres and beyond, if needed.

The ordering of the atmospheric layers of the Sun from outer to inner is chromosphere, corona, photosphere.

Most of the energy emitted by the Sun is generated in the

A filtergram is a photograph of the Sun's surface made

If energy is carried by the bulk motion of matter, that is called ____________________.

The _________ coincides with the period known as the "little ice age" of Europe and North America. This provides one piece of evidence that suggests a link between solar activity and the amount of solar energy Earth receives.

Most of the visible light we see coming from the Sun originates from the

The ____________________ shows that sunspots are associated with magnetic activity.

One sees differences in ________ depending on the time in the sunspot cycle. I. the latitude at which most sunspots occur II. the number of sunspots that are visible III. the rotation rate of the Sun's equator IV. the magnetic polarity of the sunspot pair members in a hemisphere

The proton-proton chain needs high temperature because

The intensity of a sunspot is found to be 3 times smaller than the intensity emitted by the solar surface. What is the approximate temperature of this sunspot if the temperature of the solar surface is 5800 K?

Solar prominences have twisted and looped shapes because of the solar magnetic field.

___ is to the Sun as is to Earth.

Most of the visible light from the Sun originates in the photosphere.

Solar flares have no known effect on Earth.

The above image of the Sun was taken using a filtergram.

Which of the following is suggested as the best explanation of the missing solar neutrinos?

How did measurements of neutrinos from the Sun pose a problem for modern astronomy and how was it resolved?

The corona of the Sun can be observed

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

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 7: The Sun

Fusion occurs in __________ numbers of atomic mass nuclei whereas fission occurs in ___________ numbers of atomic mass nuclei up to _________.

Draw all zones and layers of the Sun from the interior through the atmospheres and beyond, if needed.

The ordering of the atmospheric layers of the Sun from outer to inner is chromosphere, corona, photosphere.

Most of the energy emitted by the Sun is generated in the

A filtergram is a photograph of the Sun's surface made

If energy is carried by the bulk motion of matter, that is called ____________________.

The _________ coincides with the period known as the "little ice age" of Europe and North America. This provides one piece of evidence that suggests a link between solar activity and the amount of solar energy Earth receives.

Most of the visible light we see coming from the Sun originates from the

The ____________________ shows that sunspots are associated with magnetic activity.

One sees differences in ________ depending on the time in the sunspot cycle. I. the latitude at which most sunspots occur II. the number of sunspots that are visible III. the rotation rate of the Sun's equator IV. the magnetic polarity of the sunspot pair members in a hemisphere

The proton-proton chain needs high temperature because

The intensity of a sunspot is found to be 3 times smaller than the intensity emitted by the solar surface. What is the approximate temperature of this sunspot if the temperature of the solar surface is 5800 K?

Solar prominences have twisted and looped shapes because of the solar magnetic field.

_______________ is to the Sun as ____________ is to Earth.

Most of the visible light from the Sun originates in the photosphere.

Solar flares have no known effect on Earth.

The above image of the Sun was taken using a filtergram.

Which of the following is suggested as the best explanation of the missing solar neutrinos?

How did measurements of neutrinos from the Sun pose a problem for modern astronomy and how was it resolved?

The corona of the Sun can be observed

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

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

Fusion occurs in ____ numbers of atomic mass nuclei whereas fission occurs in _ numbers of atomic mass nuclei up to _____.

___ is to the Sun as is to Earth.