Question 1

Above is an image of a supergranule.

Accepted Answer

A) True 
 B)False

Question 2

If the spectrum of a sunspot shows that it has a maximum intensity at 650 nm, what is the temperature of the sunspot?

Accepted Answer

A)  650 K 
B)  5000 K 
C)  1950 K 
D)  4500 K 
E)  10,000 K 
A)  650 K 
B)  5000 K 
C)  1950 K 
D)  4500 K 
E)  10,000 K

Question 3

____________ of hydrogen atom nuclei in the core replace the heat the Sun ____________ to keep it in equilibrium.

Accepted Answer

A)  Nuclear fusion reactions; loses into space 
B)  Nuclear fusion reactions; gains from empty space 
C)  Chemical reactions; loses into space 
D)  Chemical reactions; gains from empty space 
E)  Nuclear fission; loses into space 
A)  Nuclear fusion reactions; loses into space 
B)  Nuclear fusion reactions; gains from empty space 
C)  Chemical reactions; loses into space 
D)  Chemical reactions; gains from empty space 
E)  Nuclear fission; loses into space

Question 4

The ____________ force is involved in the radioactive decay of certain kinds of nuclear particles.

Accepted Answer

The answer of The ____________ force is involved in the...

Question 5

In the first step of the p-p fusion chain, two ____________ are combined to make a heavy hydrogen nucleus, also known as a _____________. Byproducts of the reaction are _____________ and ______________.

Accepted Answer

hydrogen, deuterium,

Question 6

The solar neutrino experiments detect about twice as many neutrinos as theory predicts should be detected.

Accepted Answer

A) True 
 B)False

Question 7

There is only one form of neutrino.

Accepted Answer

A) True 
 B)False

Question 8

The Zeeman effect can be used to determine the _______ our Sun and other stars.

Accepted Answer

A)  rotation speed of 
B)  mass of 
C)  color of 
D)  magnetic field on 
E)  radial velocity toward or away from 
A)  rotation speed of 
B)  mass of 
C)  color of 
D)  magnetic field on 
E)  radial velocity toward or away from

Question 9

The energy generated by the Sun is released by the _______ to make _______ nuclei.

Accepted Answer

A)  fusion of H nuclei; He 
B)  fusion of He nuclei; H 
C)  fission of H nuclei; He 
D)  fission of He nuclei; H 
A)  fusion of H nuclei; He 
B)  fusion of He nuclei; H 
C)  fission of H nuclei; He 
D)  fission of He nuclei; H

Question 10

The above image of a sunspot is taken in the visual wavelengths.

Accepted Answer

A) True 
 B)False

Question 11

A breeze of low-density ionized gas that streams away from the Sun through _______________ holes is called the _______________.

Accepted Answer

The answer of A breeze of low-density ionized gas that...

Question 12

If one kilogram of hydrogen is converted to helium, how much energy will be generated?

Accepted Answer

A)  9 × 1016 J 
B)  3 × 108 J 
C)  6.3 × 1014 J 
D)  2.2 × 106 J 
E)  3.2 × 107 J 
A)  9 × 1016 J 
B)  3 × 108 J 
C)  6.3 × 1014 J 
D)  2.2 × 106 J 
E)  3.2 × 107 J

Question 13

Sunspots

Accepted Answer

A)  are cooler than their surroundings. 
B)  are regions where material is rising from below the photosphere. 
C)  are the result of convection. 
D)  produce spicules. 
E)  are generally found near the poles of the Sun during sunspot maximum. 
A)  are cooler than their surroundings. 
B)  are regions where material is rising from below the photosphere. 
C)  are the result of convection. 
D)  produce spicules. 
E)  are generally found near the poles of the Sun during sunspot maximum.

Question 14

What is the solar wind, and how does it affect objects in the solar system?

Accepted Answer

The solar wind is gas flowing away from

Question 15

The Sun's magnetic field is highlighted by the visible arches of prominences.

Accepted Answer

A) True 
 B)False

Question 16

The corona and chromosphere of the Sun are believed to be heated by

Accepted Answer

A)  shock waves rising from below the photosphere. 
B)  the solar wind. 
C)  sunspots. 
D)  magnetic carpets. 
E)  differential rotation. 
A)  shock waves rising from below the photosphere. 
B)  the solar wind. 
C)  sunspots. 
D)  magnetic carpets. 
E)  differential rotation.

Question 17

A neutrino is ______________.

Accepted Answer

A)  a photon of light 
B)  a positively charged particle 
C)  a subatomic particle 
D)  a negatively charged particle 
A)  a photon of light 
B)  a positively charged particle 
C)  a subatomic particle 
D)  a negatively charged particle

Question 18

The capture of too few solar neutrinos by Davis in the solar neutrino experiment

Accepted Answer

A)  can be explained if the Sun is not undergoing thermonuclear fusion of hydrogen in its core. 
B)  indicates that the Sun's core is much hotter than expected. 
C)  indicates that the Sun's core is convective. 
D)  none of the others. 
A)  can be explained if the Sun is not undergoing thermonuclear fusion of hydrogen in its core. 
B)  indicates that the Sun's core is much hotter than expected. 
C)  indicates that the Sun's core is convective. 
D)  none of the others.

Question 19

Most of the light we see coming from the Sun originates in the ____________________.

Accepted Answer

The answer of Most of the light we see coming...

Question 20

Granulation is caused by

Accepted Answer

A)  sunspots. 
B)  rising and sinking gases below the photosphere. 
C)  shock waves in the corona. 
D)  the solar wind flowing away from the corona. 
E)  heating in the chromosphere. 
A)  sunspots. 
B)  rising and sinking gases below the photosphere. 
C)  shock waves in the corona. 
D)  the solar wind flowing away from the corona. 
E)  heating in the chromosphere.

Above is an image of a supergranule.

If the spectrum of a sunspot shows that it has a maximum intensity at 650 nm, what is the temperature of the sunspot?

of hydrogen atom nuclei in the core replace the heat the Sun to keep it in equilibrium.

The ____________ force is involved in the radioactive decay of certain kinds of nuclear particles.

In the first step of the p-p fusion chain, two ______ are combined to make a heavy hydrogen nucleus, also known as a _. Byproducts of the reaction are _ and ________.

The solar neutrino experiments detect about twice as many neutrinos as theory predicts should be detected.

There is only one form of neutrino.

The Zeeman effect can be used to determine the _______ our Sun and other stars.

The energy generated by the Sun is released by the _ to make _ nuclei.

The above image of a sunspot is taken in the visual wavelengths.

A breeze of low-density ionized gas that streams away from the Sun through _ holes is called the _.

If one kilogram of hydrogen is converted to helium, how much energy will be generated?

Sunspots

What is the solar wind, and how does it affect objects in the solar system?

The Sun's magnetic field is highlighted by the visible arches of prominences.

The corona and chromosphere of the Sun are believed to be heated by

A neutrino is ______________.

The capture of too few solar neutrinos by Davis in the solar neutrino experiment

Most of the light we see coming from the Sun originates in the ____________________.

Granulation is caused by

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

Above is an image of a supergranule.

If the spectrum of a sunspot shows that it has a maximum intensity at 650 nm, what is the temperature of the sunspot?

____________ of hydrogen atom nuclei in the core replace the heat the Sun ____________ to keep it in equilibrium.

The ____________ force is involved in the radioactive decay of certain kinds of nuclear particles.

In the first step of the p-p fusion chain, two ____________ are combined to make a heavy hydrogen nucleus, also known as a _____________. Byproducts of the reaction are _____________ and ______________.

The solar neutrino experiments detect about twice as many neutrinos as theory predicts should be detected.

There is only one form of neutrino.

The Zeeman effect can be used to determine the _______ our Sun and other stars.

The energy generated by the Sun is released by the _______ to make _______ nuclei.

The above image of a sunspot is taken in the visual wavelengths.

A breeze of low-density ionized gas that streams away from the Sun through _______________ holes is called the _______________.

If one kilogram of hydrogen is converted to helium, how much energy will be generated?

Sunspots

What is the solar wind, and how does it affect objects in the solar system?

The Sun's magnetic field is highlighted by the visible arches of prominences.

The corona and chromosphere of the Sun are believed to be heated by

A neutrino is ______________.

The capture of too few solar neutrinos by Davis in the solar neutrino experiment

Most of the light we see coming from the Sun originates in the ____________________.

Granulation is caused by

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

of hydrogen atom nuclei in the core replace the heat the Sun to keep it in equilibrium.

In the first step of the p-p fusion chain, two ______ are combined to make a heavy hydrogen nucleus, also known as a _. Byproducts of the reaction are _ and ________.

The energy generated by the Sun is released by the _ to make _ nuclei.

A breeze of low-density ionized gas that streams away from the Sun through _ holes is called the _.