Question 1

Sgr A* emits radio waves.

Accepted Answer

A) True 
 B)False  True

Question 2

Good tracers of the spiral arms of our galaxy are all 
I.very old.
II.very young.
III.very luminous.
IV.moving with large radial velocities.

Accepted Answer

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

Question 3

The density wave theory explains spurs and branches along the spiral arms.

Accepted Answer

A) True 
 B)False  False

Question 4

Which stellar population has highly elliptical orbits

Accepted Answer

A) Pop I extreme 
B) Pop I intermediate 
C) Pop II intermediate 
D) Pop II extreme 
A) Pop I extreme 
B) Pop I intermediate 
C) Pop II intermediate 
D) Pop II extreme

Question 5

If the spiral density wave were the only thing producing spiral arms, it would be expected that

Accepted Answer

A) all spiral arms would be gas and dust free. 
B) all galaxies would have only two smooth spiral arms. 
C) the Milky Way would show and irregular pattern of short arms . 
D) the Milky Way wouldn't have any spiral arms. 
E) the halo component of the Milky Way would show spiral arms as well. 
A) all spiral arms would be gas and dust free. 
B) all galaxies would have only two smooth spiral arms. 
C) the Milky Way would show and irregular pattern of short arms . 
D) the Milky Way wouldn't have any spiral arms. 
E) the halo component of the Milky Way would show spiral arms as well.

Question 6

___________ of the Milky Way contains mostly old (population II) stars and globular clusters.

Accepted Answer

A) The disk component 
B) The spherical halo component 
C) The hydrogen gas in the disk 
D) The spiral arms 
E) Sgr A* 
A) The disk component 
B) The spherical halo component 
C) The hydrogen gas in the disk 
D) The spiral arms 
E) Sgr A*

Question 7

Globular clusters are primarily found in the ____________________ component of the galaxy.

Accepted Answer

The answer of Globular clusters are primarily found in the...

Question 8

As viewed from above or face-on, a ____________ spiral galaxy has many branches and spurs, making the arms less discernible.

Accepted Answer

The answer of As viewed from above or face-on, a...

Question 9

-What kind of galaxy is shown above

Accepted Answer

A) flocculent 
B) grand design 
C) wooly 
D) None of the other choices are correct. 
A) flocculent 
B) grand design 
C) wooly 
D) None of the other choices are correct.

Question 10

What color in the following image best represents the bulge

Accepted Answer

A) pink 
B) blue 
C) black 
D) milky white 
A) pink 
B) blue 
C) black 
D) milky white

Question 11

The nuclear bulge of our galaxy

Accepted Answer

A) contains stars that are primarily population I stars. 
B) is primarily composed of gas and dust. 
C) contains stars primarily associated with the spherical component of our galaxy. 
D) contains stars primarily associated with the disk component of our galaxy. 
E) contains stars that are primarily population I stars, is primarily composed of gas and dust, and contains stars primarily associated with the disk component of our galaxy. 
A) contains stars that are primarily population I stars. 
B) is primarily composed of gas and dust. 
C) contains stars primarily associated with the spherical component of our galaxy. 
D) contains stars primarily associated with the disk component of our galaxy. 
E) contains stars that are primarily population I stars, is primarily composed of gas and dust, and contains stars primarily associated with the disk component of our galaxy.

Question 12

The Sun is located near a spiral arm.

Accepted Answer

A) True 
 B)False

Question 13

Getting a cold is like building the chemical elements in nucleosynthesis.

Accepted Answer

A) True 
 B)False

Question 14

The orbits of halo stars are typically circular and have a low inclination with respect to the disk.

Accepted Answer

A) True 
 B)False

Question 15

The period-luminosity relationship is primarily used for main-sequence stars.

Accepted Answer

A) True 
 B)False

Question 16

Why does the rotation of our galaxy suggest that it is more massive than previously thought

Accepted Answer

The best observations of the rotation cu

Question 17

Shapley found the distance to the center of the galaxy by studying the distance to open clusters.

Accepted Answer

A) True 
 B)False

Question 18

The _________________ hypothesis includes mergers with smaller galaxies and infalling gas to the standard formation of the Milky Way galaxy.

Accepted Answer

The answer of The _________________ hypothesis includes mergers with smaller...

Question 19

The galactic halo or corona is believed to contain mostly

Accepted Answer

A) O and B stars. 
B) G, K, and M stars. 
C) open clusters. 
D) globular clusters. 
E) dark matter. 
A) O and B stars. 
B) G, K, and M stars. 
C) open clusters. 
D) globular clusters. 
E) dark matter.

Question 20

____________________ are groups of 100,000 to 1,000,000 population II stars firmly bound by gravity.

Accepted Answer

The answer of ____________________ are groups of 100,000 to 1,000,000...

Sgr A* emits radio waves.

Good tracers of the spiral arms of our galaxy are all I.very old. II.very young. III.very luminous. IV.moving with large radial velocities.

The density wave theory explains spurs and branches along the spiral arms.

Which stellar population has highly elliptical orbits

If the spiral density wave were the only thing producing spiral arms, it would be expected that

___________ of the Milky Way contains mostly old (population II) stars and globular clusters.

Globular clusters are primarily found in the ____________________ component of the galaxy.

As viewed from above or face-on, a ____________ spiral galaxy has many branches and spurs, making the arms less discernible.

-What kind of galaxy is shown above

What color in the following image best represents the bulge

The nuclear bulge of our galaxy

The Sun is located near a spiral arm.

Getting a cold is like building the chemical elements in nucleosynthesis.

The orbits of halo stars are typically circular and have a low inclination with respect to the disk.

The period-luminosity relationship is primarily used for main-sequence stars.

Why does the rotation of our galaxy suggest that it is more massive than previously thought

Shapley found the distance to the center of the galaxy by studying the distance to open clusters.

The _________________ hypothesis includes mergers with smaller galaxies and infalling gas to the standard formation of the Milky Way galaxy.

The galactic halo or corona is believed to contain mostly

____________________ are groups of 100,000 to 1,000,000 population II stars firmly bound by gravity.

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 Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

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 12: The Milky Way Galaxy

Sgr A* emits radio waves.

Good tracers of the spiral arms of our galaxy are all I.very old. II.very young. III.very luminous. IV.moving with large radial velocities.

The density wave theory explains spurs and branches along the spiral arms.

Which stellar population has highly elliptical orbits

If the spiral density wave were the only thing producing spiral arms, it would be expected that

___________ of the Milky Way contains mostly old (population II) stars and globular clusters.

Globular clusters are primarily found in the ____________________ component of the galaxy.

As viewed from above or face-on, a ____________ spiral galaxy has many branches and spurs, making the arms less discernible.

-What kind of galaxy is shown above

What color in the following image best represents the bulge

The nuclear bulge of our galaxy

The Sun is located near a spiral arm.

Getting a cold is like building the chemical elements in nucleosynthesis.

The orbits of halo stars are typically circular and have a low inclination with respect to the disk.

The period-luminosity relationship is primarily used for main-sequence stars.

Why does the rotation of our galaxy suggest that it is more massive than previously thought

Shapley found the distance to the center of the galaxy by studying the distance to open clusters.

The _________________ hypothesis includes mergers with smaller galaxies and infalling gas to the standard formation of the Milky Way galaxy.

The galactic halo or corona is believed to contain mostly

____________________ are groups of 100,000 to 1,000,000 population II stars firmly bound by gravity.

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 Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

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