Question 1

Helioseismology shows that deeper layers of gas in the Sun rotate at different speeds. When different parts of an object rotate at different rates it is called

Accepted Answer

A) the dynamo effect. 
B) lagging. 
C) reconnection. 
D) differential rotation. 
E) the Zeeman effect. 
A) the dynamo effect. 
B) lagging. 
C) reconnection. 
D) differential rotation. 
E) the Zeeman effect.

Question 2

Nuclear reactors use nuclear _____________ to generate energy whereas the Sun uses nuclear ____________ to generate energy.

Accepted Answer

The answer of Nuclear reactors use nuclear _____________ to generate...

Question 3

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.

Question 4

-The feature shown in the following image of the Sun is a solar flare.

Accepted Answer

A) True 
 B)False

Question 5

Differential rotation occurs in the __________ Sun; we know this because the ____________ travels faster than the ___________ .

Accepted Answer

A) gaseous, equator, poles 
B) liquid, poles, equator 
C) solid, equator, poles 
D) gaseous, poles, equator 
A) gaseous, equator, poles 
B) liquid, poles, equator 
C) solid, equator, poles 
D) gaseous, poles, equator

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 proton-proton chain

Accepted Answer

A) combines two hydrogen nuclei to produce a single helium nucleus and energy. 
B) splits a helium nucleus to produce 4 hydrogen nuclei and energy. 
C) is the mechanism that increases the temperature between the photosphere and corona of the Sun. 
D) is the interactions between protons in Earth's atmosphere that produces auroras. 
E) produces energy in the core of the Sun in the form of gamma rays, positrons, and neutrinos. 
A) combines two hydrogen nuclei to produce a single helium nucleus and energy. 
B) splits a helium nucleus to produce 4 hydrogen nuclei and energy. 
C) is the mechanism that increases the temperature between the photosphere and corona of the Sun. 
D) is the interactions between protons in Earth's atmosphere that produces auroras. 
E) produces energy in the core of the Sun in the form of gamma rays, positrons, and neutrinos.

Question 8

The study of the oscillations of the surface and interior of the Sun is known as ____________________.

Accepted Answer

The answer of The study of the oscillations of the...

Question 9

Sunspots

Accepted Answer

A) are hotter than their surroundings. 
B) are regions where material is rising from below the photosphere. 
C) show the Zeeman effect indicating the presence of strong magnetic fields. 
D) produce spicules. 
E) are generally found near the poles of the Sun during sunspot maximum. 
A) are hotter than their surroundings. 
B) are regions where material is rising from below the photosphere. 
C) show the Zeeman effect indicating the presence of strong magnetic fields. 
D) produce spicules. 
E) are generally found near the poles of the Sun during sunspot maximum.

Question 10

A(n) ____________________ is a subatomic particle produced in nuclear fusion that can travel through the Sun and escape to space without interacting with any particles in the Sun.

Accepted Answer

The answer of A(n) ____________________ is a subatomic particle produced...

Question 11

Granulation is caused by rising currents of hot gas below the photosphere.

Accepted Answer

A) True 
 B)False

Question 12

Above is an image of a supergranule.

Accepted Answer

A) True 
 B)False

Question 13

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 14

Spicules occur in the _______________ atmospheric layer of the Sun.

Accepted Answer

A) photosphere 
B) chromosphere 
C) corona 
D) transition zone 
A) photosphere 
B) chromosphere 
C) corona 
D) transition zone

Question 15

There is only one form of neutrino.

Accepted Answer

A) True 
 B)False

Question 16

Energy flows from hot to cold and thus from the core to the surface of the Sun.

Accepted Answer

A) True 
 B)False

Question 17

When four hydrogen nuclei fuse to make helium, a small amount of matter is lost. What is the mass difference and energy generated The mass of hydrogen and helium nuclei are$9 1.67 × 10^{-27}$ kg and $6.646 × 10^{-27}$ kg, respectively.

Accepted Answer

A) $0.034 × 10^{-27}$ kg, $3 × 10^{-12}$ J 
B) $0.022 × 10^{-27}$ kg, $2 × 10^{-12 }$J 
C) $0.068 × 10^{-27}$ kg, $6 × 10^{-12}$ J 
D) $0.011 × 10^{-27}$ kg, $1 × 10^{-12} $J 
A) $0.034 × 10^{-27}$ kg, $3 × 10^{-12}$ J 
B) $0.022 × 10^{-27}$ kg, $2 × 10^{-12 }$J 
C) $0.068 × 10^{-27}$ kg, $6 × 10^{-12}$ J 
D) $0.011 × 10^{-27}$ kg, $1 × 10^{-12} $J

Question 18

Sunspots are known to be magnetic phenomena because

Accepted Answer

A) Doppler shifts in spectral lines are observed. 
B) the Zeeman effect is observed in sunspots. 
C) collisional broadening is observed in spectral lines. 
D) infrared observations indicate that the sunspots are cooler than their surroundings. 
E) observations during eclipses reveal a very extensive photosphere. 
A) Doppler shifts in spectral lines are observed. 
B) the Zeeman effect is observed in sunspots. 
C) collisional broadening is observed in spectral lines. 
D) infrared observations indicate that the sunspots are cooler than their surroundings. 
E) observations during eclipses reveal a very extensive photosphere.

Question 19

In the proton-proton chain

Accepted Answer

A) no neutrinos are produced. 
B) energy is released because a helium nucleus has a greater mass than a hydrogen nucleus. 
C) no photons are produced. 
D) carbon serves as a catalyst for the nuclear reaction. 
E) energy is produced in the form of gamma rays and the velocity of the created nuclei. 
A) no neutrinos are produced. 
B) energy is released because a helium nucleus has a greater mass than a hydrogen nucleus. 
C) no photons are produced. 
D) carbon serves as a catalyst for the nuclear reaction. 
E) energy is produced in the form of gamma rays and the velocity of the created nuclei.

Question 20

A __________________ cycle lasts 11 years, whereas a ________________ cycle lasts 22 years.

Accepted Answer

sunspot, s

Helioseismology shows that deeper layers of gas in the Sun rotate at different speeds. When different parts of an object rotate at different rates it is called

Nuclear reactors use nuclear _ to generate energy whereas the Sun uses nuclear to generate energy.

The corona of the Sun can be observed

-The feature shown in the following image of the Sun is a solar flare.

Differential rotation occurs in the Sun; we know this because the travels faster than the _ .

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

The proton-proton chain

The study of the oscillations of the surface and interior of the Sun is known as ____________________.

Sunspots

A(n) ____________________ is a subatomic particle produced in nuclear fusion that can travel through the Sun and escape to space without interacting with any particles in the Sun.

Granulation is caused by rising currents of hot gas below the photosphere.

Above is an image of a supergranule.

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

Spicules occur in the _______________ atmospheric layer of the Sun.

There is only one form of neutrino.

Energy flows from hot to cold and thus from the core to the surface of the Sun.

When four hydrogen nuclei fuse to make helium, a small amount of matter is lost. What is the mass difference and energy generated The mass of hydrogen and helium nuclei are $9 1.67 × 10^{-27}$ kg and $6.646 × 10^{-27}$ kg, respectively.

Sunspots are known to be magnetic phenomena because

In the proton-proton chain

A __ cycle lasts 11 years, whereas a cycle lasts 22 years.

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

Helioseismology shows that deeper layers of gas in the Sun rotate at different speeds. When different parts of an object rotate at different rates it is called

Nuclear reactors use nuclear _____________ to generate energy whereas the Sun uses nuclear ____________ to generate energy.

The corona of the Sun can be observed

-The feature shown in the following image of the Sun is a solar flare.

Differential rotation occurs in the __________ Sun; we know this because the ____________ travels faster than the ___________ .

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

The proton-proton chain

The study of the oscillations of the surface and interior of the Sun is known as ____________________.

Sunspots

A(n) ____________________ is a subatomic particle produced in nuclear fusion that can travel through the Sun and escape to space without interacting with any particles in the Sun.

Granulation is caused by rising currents of hot gas below the photosphere.

Above is an image of a supergranule.

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

Spicules occur in the _______________ atmospheric layer of the Sun.

There is only one form of neutrino.

Energy flows from hot to cold and thus from the core to the surface of the Sun.

When four hydrogen nuclei fuse to make helium, a small amount of matter is lost. What is the mass difference and energy generated The mass of hydrogen and helium nuclei are 91.67×10−279 1.67 × 10^{-27}91.67×10−27 kg and 6.646×10−276.646 × 10^{-27}6.646×10−27 kg, respectively.

Sunspots are known to be magnetic phenomena because

In the proton-proton chain

A __________________ cycle lasts 11 years, whereas a ________________ cycle lasts 22 years.

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

Nuclear reactors use nuclear _ to generate energy whereas the Sun uses nuclear to generate energy.

Differential rotation occurs in the Sun; we know this because the travels faster than the _ .

When four hydrogen nuclei fuse to make helium, a small amount of matter is lost. What is the mass difference and energy generated The mass of hydrogen and helium nuclei are $9 1.67 × 10^{-27}$ kg and $6.646 × 10^{-27}$ kg, respectively.

A __ cycle lasts 11 years, whereas a cycle lasts 22 years.