Question 1

Why does a filtergram reveal details in higher layers of the solar atmosphere?

Accepted Answer

The answer of Why does a filtergram reveal details in...

Question 2

Uranium serves as the source of the sun's energy because

Accepted Answer

A)  uranium atoms can be fissioned into lighter atoms and energy. 
B)  uranium atoms can be fused into helium and energy. 
C)  uranium atoms can be fused into hydrogen and energy. 
D)  none of the above because fusion of hydrogen atoms serves as the sun's source of energy. 
E)  none of the above because fusion of helium atoms serves as the sun's source of energy. 
A)  uranium atoms can be fissioned into lighter atoms and energy. 
B)  uranium atoms can be fused into helium and energy. 
C)  uranium atoms can be fused into hydrogen and energy. 
D)  none of the above because fusion of hydrogen atoms serves as the sun's source of energy. 
E)  none of the above because fusion of helium atoms serves as the sun's source of energy.

Question 3

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

Accepted Answer

The answer of What is the solar wind, and how...

Question 4

The corona is heated by the solar magnetic field.

Accepted Answer

A) True 
 B)False

Question 5

What are the three layers of the sun's atmosphere, in order of increasing distance from the surface?

Accepted Answer

A)  corona, chromosphere, photosphere 
B)  photosphere, corona, chromosphere 
C)  photosphere, chromosphere, corona 
D)  chromosphere, photosphere, corona 
A)  corona, chromosphere, photosphere 
B)  photosphere, corona, chromosphere 
C)  photosphere, chromosphere, corona 
D)  chromosphere, photosphere, corona

Question 6

Fusion is promoted in the core of the sun by the ____ there.

Accepted Answer

A)  low temperature and low density 
B)  high temperature and high density 
C)  low temperature and high density 
D)  high temperature and low density 
A)  low temperature and low density 
B)  high temperature and high density 
C)  low temperature and high density 
D)  high temperature and low density

Question 7

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 8

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 9

The centers of granules

Accepted Answer

A)  are hot material rising to the photosphere from below. 
B)  are cool material falling from the photosphere to the regions below. 
C)  are fainter and hotter than their surroundings. 
D)  are brighter and cooler than their surroundings. 
E)  show strong Zeeman effects. 
A)  are hot material rising to the photosphere from below. 
B)  are cool material falling from the photosphere to the regions below. 
C)  are fainter and hotter than their surroundings. 
D)  are brighter and cooler than their surroundings. 
E)  show strong Zeeman effects.

Question 10

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 11

Astronomers can use ____ to measure magnetic fields on the sun.

Accepted Answer

A)  helioseismology 
B)  perchloroethylene (C2Cl4) 
C)  neutrino detectors 
D)  a magnetic carpet 
E)  the Zeeman effect 
A)  helioseismology 
B)  perchloroethylene (C2Cl4) 
C)  neutrino detectors 
D)  a magnetic carpet 
E)  the Zeeman effect

Question 12

A giant fusion power reactor has been supplying all natural energy to the United States since 1776.

Accepted Answer

A) True 
 B)False

Question 13

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 14

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

Accepted Answer

A) True 
 B)False

Question 15

The solar constant is a measure of

Accepted Answer

A)  the amount of solar energy reaching Earth. 
B)  the length of the sunspot cycle. 
C)  the period of rotation of the sun's equator. 
D)  the average number of sunspots seen during the Maunder minimum. 
E)  the sun's mass. 
A)  the amount of solar energy reaching Earth. 
B)  the length of the sunspot cycle. 
C)  the period of rotation of the sun's equator. 
D)  the average number of sunspots seen during the Maunder minimum. 
E)  the sun's mass.

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)  high energy particles being accelerated by the sun's magnetic field. 
E)  differential rotation. 
A)  shock waves rising from below the photosphere. 
B)  the solar wind. 
C)  sunspots. 
D)  high energy particles being accelerated by the sun's magnetic field. 
E)  differential rotation.

Question 17

Most of the light we see coming from the sun originates in 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 18

The strong force is the force that

Accepted Answer

A)  binds electrons to the nucleus in an atom. 
B)  holds the moon in orbit around Earth. 
C)  creates the magnetic field associated with sunspots. 
D)  produces the extremely high temperatures in the solar corona. 
E)  binds protons and neutrons together to form a nucleus. 
A)  binds electrons to the nucleus in an atom. 
B)  holds the moon in orbit around Earth. 
C)  creates the magnetic field associated with sunspots. 
D)  produces the extremely high temperatures in the solar corona. 
E)  binds protons and neutrons together to form a nucleus.

Question 19

The corona of the sun can be observed

Accepted Answer

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

Question 20

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

Accepted Answer

The measurements of neutrinos from the s

Why does a filtergram reveal details in higher layers of the solar atmosphere?

Uranium serves as the source of the sun's energy because

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

The corona is heated by the solar magnetic field.

What are the three layers of the sun's atmosphere, in order of increasing distance from the surface?

Fusion is promoted in the core of the sun by the ____ there.

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

The proton-proton chain needs high temperature because

The centers of granules

The energy generated by the sun is released by the to make nuclei.

Astronomers can use ____ to measure magnetic fields on the sun.

A giant fusion power reactor has been supplying all natural energy to the United States since 1776.

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

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

The solar constant is a measure of

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

Most of the light we see coming from the sun originates in the

The strong force is the force that

The corona of the sun can be observed

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

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

The Origin of the Solar System

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

Why does a filtergram reveal details in higher layers of the solar atmosphere?

Uranium serves as the source of the sun's energy because

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

The corona is heated by the solar magnetic field.

What are the three layers of the sun's atmosphere, in order of increasing distance from the surface?

Fusion is promoted in the core of the sun by the ____ there.

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

The proton-proton chain needs high temperature because

The centers of granules

The energy generated by the sun is released by the ____ to make ____ nuclei.

Astronomers can use ____ to measure magnetic fields on the sun.

A giant fusion power reactor has been supplying all natural energy to the United States since 1776.

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

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

The solar constant is a measure of

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

Most of the light we see coming from the sun originates in the

The strong force is the force that

The corona of the sun can be observed

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

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

The Origin of the Solar System

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

The energy generated by the sun is released by the to make nuclei.