Question 1

In the halo, we do NOT find

Accepted Answer

A)  tidal streams. 
B)  globular clusters. 
C)  small satellite galaxies. 
D)  spiral arms. 
E)  old white dwarfs. 
A)  tidal streams. 
B)  globular clusters. 
C)  small satellite galaxies. 
D)  spiral arms. 
E)  old white dwarfs.

Question 2

Using an orbit size of 8 kpc, and a period of 225 million years, the mass of our Galaxy is found to be closest to

Accepted Answer

A)  10⁶ solar masses. 
B)  10⁸ solar masses. 
C)  10¹⁰ solar masses. 
D)  10¹¹ solar masses. 
E)  10¹² solar masses. 
A)  10⁶ solar masses. 
B)  10⁸ solar masses. 
C)  10¹⁰ solar masses. 
D)  10¹¹ solar masses. 
E)  10¹² solar masses.

Question 3

Compare the speed of spiral density waves with the orbital speeds of stars in the visible part of the Galactic disk.

Accepted Answer

Spiral density waves move slow

Question 4

Shapley found that globular clusters are only found in the Galactic bulge.

Accepted Answer

A) True 
 B)False

Question 5

The core of the Milky Way, Sagittarius A, is a strong radio source in the sky.

Accepted Answer

A) True 
 B)False

Question 6

The rotation curve for our Galaxy shows stars beyond the Sun moving slower than expected.

Accepted Answer

A) True 
 B)False

Question 7

For what type of object is the period-luminosity relation used for determining distances?

Accepted Answer

A)  RR Lyrae variables 
B)  T Tauri variables 
C)  Cepheids 
D)  Cataclysmic variables 
E)  Planetary nebulae 
A)  RR Lyrae variables 
B)  T Tauri variables 
C)  Cepheids 
D)  Cataclysmic variables 
E)  Planetary nebulae

Question 8

From Earth, the center of the Milky Way lies in the direction of the constellation Cygnus.

Accepted Answer

A) True 
 B)False

Question 9

The Galactic Year is the time for our solar system to orbit the Galaxy; it is about

Accepted Answer

A)  15 million years. 
B)  225 million years. 
C)  4.5 billion years. 
D)  9.6 billion years. 
E)  13.5 billion years. 
A)  15 million years. 
B)  225 million years. 
C)  4.5 billion years. 
D)  9.6 billion years. 
E)  13.5 billion years.

Question 10

List at least one naked-eye observation that is consistent with the ancient idea that Earth is at the center of the Milky Way. List at least one naked-eye observation that is inconsistent with the notion that Earth is at the center of the Milky Way.

Accepted Answer

The actual center of the galaxy is hidde

Question 11

Although astronomers refer to the Galaxy's disk as rotating, the motion is really due to the ________ motion of each of the objects in the disk.

Accepted Answer

The answer of Although astronomers refer to the Galaxy's disk...

Question 12

Which is the correct description of the Sun's location within the Milky Way?

Accepted Answer

A)  At the outer edge of the Galactic bulge but in the plane of the disc 
B)  In the disc but at its outer edge 
C)  As Herschel found, very close to the Galactic center 
D)  Above the disc and about one-third of the Galactic radius from the center 
E)  In the disc and about one-half a Galactic radius from the center 
A)  At the outer edge of the Galactic bulge but in the plane of the disc 
B)  In the disc but at its outer edge 
C)  As Herschel found, very close to the Galactic center 
D)  Above the disc and about one-third of the Galactic radius from the center 
E)  In the disc and about one-half a Galactic radius from the center

Question 13

The Milky Way we see in the sky is simply our edge-on view of our home Galaxy.

Accepted Answer

A) True 
 B)False

Question 14

In the solar neighborhood we can map the position of spiral arms by observation of objects that are determined to be relatively ________ in age.

Accepted Answer

The answer of In the solar neighborhood we can map...

Question 15

Which of the following is most like the rotation of stars in the disk of the Milky Way?

Accepted Answer

A)  A DVD in a player 
B)  The planets in our solar system 
C)  Cars moving at a constant speed on a circular race track 
D)  The hands of an analog clock 
E)  The tire of a car moving 
A)  A DVD in a player 
B)  The planets in our solar system 
C)  Cars moving at a constant speed on a circular race track 
D)  The hands of an analog clock 
E)  The tire of a car moving

Question 16

Henrietta Leavitt first showed the relationship between the mass and luminosity of Cepheids and their period of pulsation; the brighter, the longer this period.

Accepted Answer

A) True 
 B)False

Question 17

Henrietta Leavitt's period-luminosity relation for ________ indicates that longer periods mean more luminosity.

Accepted Answer

The answer of Henrietta Leavitt's period-luminosity relation for ________ indicates...

Question 18

Shapley found the Sun is located about half way out the disc from the center of the disk of the Galaxy.

Accepted Answer

A) True 
 B)False

Question 19

The Galactic center in ________ is best studied using radio and infrared observations.

Accepted Answer

The answer of The Galactic center in ________ is best...

Question 20

The part of the Milky Way we are most familiar with is the

Accepted Answer

A)  Corona. 
B)  Galactic Disk. 
C)  Galactic halo. 
D)  Galactic Bulge. 
E)  Galactic center. 
A)  Corona. 
B)  Galactic Disk. 
C)  Galactic halo. 
D)  Galactic Bulge. 
E)  Galactic center.

In the halo, we do NOT find

Using an orbit size of 8 kpc, and a period of 225 million years, the mass of our Galaxy is found to be closest to

Compare the speed of spiral density waves with the orbital speeds of stars in the visible part of the Galactic disk.

Shapley found that globular clusters are only found in the Galactic bulge.

The core of the Milky Way, Sagittarius A, is a strong radio source in the sky.

The rotation curve for our Galaxy shows stars beyond the Sun moving slower than expected.

For what type of object is the period-luminosity relation used for determining distances?

From Earth, the center of the Milky Way lies in the direction of the constellation Cygnus.

The Galactic Year is the time for our solar system to orbit the Galaxy; it is about

List at least one naked-eye observation that is consistent with the ancient idea that Earth is at the center of the Milky Way. List at least one naked-eye observation that is inconsistent with the notion that Earth is at the center of the Milky Way.

Although astronomers refer to the Galaxy's disk as rotating, the motion is really due to the ________ motion of each of the objects in the disk.

Which is the correct description of the Sun's location within the Milky Way?

The Milky Way we see in the sky is simply our edge-on view of our home Galaxy.

In the solar neighborhood we can map the position of spiral arms by observation of objects that are determined to be relatively ________ in age.

Which of the following is most like the rotation of stars in the disk of the Milky Way?

Henrietta Leavitt first showed the relationship between the mass and luminosity of Cepheids and their period of pulsation; the brighter, the longer this period.

Henrietta Leavitt's period-luminosity relation for ________ indicates that longer periods mean more luminosity.

Shapley found the Sun is located about half way out the disc from the center of the disk of the Galaxy.

The Galactic center in ________ is best studied using radio and infrared observations.

The part of the Milky Way we are most familiar with is the

The Night Sky

Light and Telescopes

The Solar System

Earth and Its Moon

The Eight Planets

Small Bodies in the Solar System

Formation of Planetary Systems

The Sun

Measuring the Stars

Star Formation and Evolution

Stellar Explosions

Black Holes

Galaxies

Cosmology and the Universe

Filters

Exam 13: The Milky Way Galaxy

In the halo, we do NOT find

Using an orbit size of 8 kpc, and a period of 225 million years, the mass of our Galaxy is found to be closest to

Compare the speed of spiral density waves with the orbital speeds of stars in the visible part of the Galactic disk.

Shapley found that globular clusters are only found in the Galactic bulge.

The core of the Milky Way, Sagittarius A, is a strong radio source in the sky.

The rotation curve for our Galaxy shows stars beyond the Sun moving slower than expected.

For what type of object is the period-luminosity relation used for determining distances?

From Earth, the center of the Milky Way lies in the direction of the constellation Cygnus.

The Galactic Year is the time for our solar system to orbit the Galaxy; it is about

List at least one naked-eye observation that is consistent with the ancient idea that Earth is at the center of the Milky Way. List at least one naked-eye observation that is inconsistent with the notion that Earth is at the center of the Milky Way.

Although astronomers refer to the Galaxy's disk as rotating, the motion is really due to the ________ motion of each of the objects in the disk.

Which is the correct description of the Sun's location within the Milky Way?

The Milky Way we see in the sky is simply our edge-on view of our home Galaxy.

In the solar neighborhood we can map the position of spiral arms by observation of objects that are determined to be relatively ________ in age.

Which of the following is most like the rotation of stars in the disk of the Milky Way?

Henrietta Leavitt first showed the relationship between the mass and luminosity of Cepheids and their period of pulsation; the brighter, the longer this period.

Henrietta Leavitt's period-luminosity relation for ________ indicates that longer periods mean more luminosity.

Shapley found the Sun is located about half way out the disc from the center of the disk of the Galaxy.

The Galactic center in ________ is best studied using radio and infrared observations.

The part of the Milky Way we are most familiar with is the

The Night Sky

Light and Telescopes

The Solar System

Earth and Its Moon

The Eight Planets

Small Bodies in the Solar System

Formation of Planetary Systems

The Sun

Measuring the Stars

Star Formation and Evolution

Stellar Explosions

Black Holes

Galaxies

Cosmology and the Universe

Filters