Question 1

The ____________________ of the Sun is composed of ionized gas and produces a continuous spectrum with a superimposed emission spectrum.

Accepted Answer

The answer of The ____________________ of the Sun is composed...

Question 2

-The above picture shows the Sun's change in temperature with elevation into the Sun's atmospheric layers. The region from 10,000-70,000 K is known as the ____________.

Accepted Answer

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

Question 3

-The above image shows a prominence mostly in the ____________ atmospheric layer of the Sun. Because of the far-ultraviolet (FUV) image, we know the _____________ layer of the Sun's atmosphere is shown.

Accepted Answer

A) chromospheric, chromospheric 
B) photospheric, photospheric 
C) corona, corona 
D) corona, chromospheric 
A) chromospheric, chromospheric 
B) photospheric, photospheric 
C) corona, corona 
D) corona, chromospheric

Question 4

The Sun has a continuous visual spectrum with dark absorption lines. The continuous spectrum is produced by the ____________ layer while the dark absorption lines are produced by ____________layers.

Accepted Answer

A) inner chromosphere; outer photosphere 
B) inner photosphere; outer chromosphere 
C) inner chromosphere; outer corona 
D) inner corona, outer chromosphere 
A) inner chromosphere; outer photosphere 
B) inner photosphere; outer chromosphere 
C) inner chromosphere; outer corona 
D) inner corona, outer chromosphere

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 Sun creates its energy by the process of

Accepted Answer

A) nuclear fission. 
B) nuclear fusion. 
C) convection. 
D) conduction. 
E) radiation. 
A) nuclear fission. 
B) nuclear fusion. 
C) convection. 
D) conduction. 
E) radiation.

Question 7

Streamers above sunspots suggest ___________.

Accepted Answer

A) a prominence is about to rise into the corona 
B) a solar flare is about to erupt 
C) a magnetic field 
D) a supergranule is about to form 
A) a prominence is about to rise into the corona 
B) a solar flare is about to erupt 
C) a magnetic field 
D) a supergranule is about to form

Question 8

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 9

The ____________________ shows that sunspots are associated with magnetic activity.

Accepted Answer

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

Question 10

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 11

Spicules

Accepted Answer

A) are found in the photosphere. 
B) are magnetic disturbances that push large loops of material off the solar surface. 
C) are responsible for twisting the solar magnetic field and causing the sunspot cycle. 
D) appear in the corona near the north and south poles of the Sun during a total solar eclipse. 
E) are visible in filtergrams of the solar chromosphere. 
A) are found in the photosphere. 
B) are magnetic disturbances that push large loops of material off the solar surface. 
C) are responsible for twisting the solar magnetic field and causing the sunspot cycle. 
D) appear in the corona near the north and south poles of the Sun during a total solar eclipse. 
E) are visible in filtergrams of the solar chromosphere.

Question 12

Lithium has less binding energy than _____________, thus the neutrons and protons are easier to unbind from the nucleus.

Accepted Answer

A) helium 
B) nitrogen 
C) carbon 
D) all of the other choices 
A) helium 
B) nitrogen 
C) carbon 
D) all of the other choices

Question 13

In some regions of the corona, the magnetic field does not loop back to the Sun, and the gas escapes unimpeded. These regions are called _______ and are believed to be the source of the solar wind.

Accepted Answer

A) prominences 
B) flares 
C) granules 
D) auroras 
E) coronal holes 
A) prominences 
B) flares 
C) granules 
D) auroras 
E) coronal holes

Question 14

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 15

The rotation of the Sun's photosphere is

Accepted Answer

A) fastest at the equator, slower at mid-latitudes, and slowest near the poles. 
B) slowest at the equator, faster at mid-latitudes, and fastest near the poles. 
C) fastest at the equator, slowest at mid-latitudes and the poles which travel at the same speed. 
D) the same regardless of latitude. 
A) fastest at the equator, slower at mid-latitudes, and slowest near the poles. 
B) slowest at the equator, faster at mid-latitudes, and fastest near the poles. 
C) fastest at the equator, slowest at mid-latitudes and the poles which travel at the same speed. 
D) the same regardless of latitude.

Question 16

Which of the following is evidence that convection occurs in the layers just below the Sun's photosphere

Accepted Answer

A) Sunspots appear to be cooler than their surroundings. 
B) Solar prominences lift large loops of gas into the chromosphere and corona. 
C) The solar wind emits large numbers of charged particles. 
D) The Sun rotates differentially. 
E) The centers of granules are hot and moving upward away from the center of the Sun. 
A) Sunspots appear to be cooler than their surroundings. 
B) Solar prominences lift large loops of gas into the chromosphere and corona. 
C) The solar wind emits large numbers of charged particles. 
D) The Sun rotates differentially. 
E) The centers of granules are hot and moving upward away from the center of the Sun.

Question 17

The United States consumes$ 2.5 × 10^{19} $J of energy each year. A typical solar flare releases 5.0 × 1024 J of energy. How many years could we run the United States on the energy released by this solar flare if all of the released energy could be used

Accepted Answer

A) $5 × 10^{-6}$ years 
B) 200,000 years 
C) $1.25 × 10^{44} $years 
D) about 12 years 
E) 500 years 
A) $5 × 10^{-6}$ years 
B) 200,000 years 
C) $1.25 × 10^{44} $years 
D) about 12 years 
E) 500 years

Question 18

The dynamo effect is believed to produce the ____________________ of the Sun.

Accepted Answer

The answer of The dynamo effect is believed to produce...

Question 19

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

Accepted Answer

Drawing should inclu

Question 20

-The above picture shows how temperature varies through the atmospheric layers of the Sun. The bottom thermometer is shown to be in the chromosphere.

Accepted Answer

A) True 
 B)False

The ____________________ of the Sun is composed of ionized gas and produces a continuous spectrum with a superimposed emission spectrum.

-The above picture shows the Sun's change in temperature with elevation into the Sun's atmospheric layers. The region from 10,000-70,000 K is known as the ____________.

-The above image shows a prominence mostly in the atmospheric layer of the Sun. Because of the far-ultraviolet (FUV) image, we know the _ layer of the Sun's atmosphere is shown.

The Sun has a continuous visual spectrum with dark absorption lines. The continuous spectrum is produced by the layer while the dark absorption lines are produced by layers.

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 Sun creates its energy by the process of

Streamers above sunspots suggest ___________.

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

The ____________________ shows that sunspots are associated with magnetic activity.

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

Spicules

Lithium has less binding energy than _____________, thus the neutrons and protons are easier to unbind from the nucleus.

In some regions of the corona, the magnetic field does not loop back to the Sun, and the gas escapes unimpeded. These regions are called _______ and are believed to be the source of the solar wind.

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

The rotation of the Sun's photosphere is

Which of the following is evidence that convection occurs in the layers just below the Sun's photosphere

The United States consumes $2.5 × 10^{19}$ J of energy each year. A typical solar flare releases 5.0 × 1024 J of energy. How many years could we run the United States on the energy released by this solar flare if all of the released energy could be used

The dynamo effect is believed to produce the ____________________ of the Sun.

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

-The above picture shows how temperature varies through the atmospheric layers of the Sun. The bottom thermometer is shown to be in the chromosphere.

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

The ____________________ of the Sun is composed of ionized gas and produces a continuous spectrum with a superimposed emission spectrum.

-The above picture shows the Sun's change in temperature with elevation into the Sun's atmospheric layers. The region from 10,000-70,000 K is known as the ____________.

-The above image shows a prominence mostly in the ____________ atmospheric layer of the Sun. Because of the far-ultraviolet (FUV) image, we know the _____________ layer of the Sun's atmosphere is shown.

The Sun has a continuous visual spectrum with dark absorption lines. The continuous spectrum is produced by the ____________ layer while the dark absorption lines are produced by ____________layers.

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 Sun creates its energy by the process of

Streamers above sunspots suggest ___________.

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

The ____________________ shows that sunspots are associated with magnetic activity.

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

Spicules

Lithium has less binding energy than _____________, thus the neutrons and protons are easier to unbind from the nucleus.

In some regions of the corona, the magnetic field does not loop back to the Sun, and the gas escapes unimpeded. These regions are called _______ and are believed to be the source of the solar wind.

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

The rotation of the Sun's photosphere is

Which of the following is evidence that convection occurs in the layers just below the Sun's photosphere

The United States consumes 2.5×1019 2.5 × 10^{19} 2.5×1019 J of energy each year. A typical solar flare releases 5.0 × 1024 J of energy. How many years could we run the United States on the energy released by this solar flare if all of the released energy could be used

The dynamo effect is believed to produce the ____________________ of the Sun.

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

-The above picture shows how temperature varies through the atmospheric layers of the Sun. The bottom thermometer is shown to be in the chromosphere.

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 above image shows a prominence mostly in the atmospheric layer of the Sun. Because of the far-ultraviolet (FUV) image, we know the _ layer of the Sun's atmosphere is shown.

The Sun has a continuous visual spectrum with dark absorption lines. The continuous spectrum is produced by the layer while the dark absorption lines are produced by layers.

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 United States consumes $2.5 × 10^{19}$ J of energy each year. A typical solar flare releases 5.0 × 1024 J of energy. How many years could we run the United States on the energy released by this solar flare if all of the released energy could be used