Question 1

The galactic _______________ contains very little gas and dust, old stars, and globular clusters.

Accepted Answer

The answer of The galactic _______________ contains very little gas...

Question 2

A partial, or detached, segment of a spiral arm is referred to as a(n) " _______________."

Accepted Answer

The answer of A partial, or detached, segment of a...

Question 3

Most of the light that makes the hazy band of the "milky way" visible in the night sky comes from reflection and emission nebulae.

Accepted Answer

A) True 
 B)False

Question 4

Sgr A* has been heavily studied using _______________ interferometry.

Accepted Answer

The answer of Sgr A* has been heavily studied using...

Question 5

Match between columns
                        Premises: globular clusters
a supermassive black hole
dark matter

Accepted Answer

The Answer of galactic halo and galactic center and galactic is...

Question 6

Dark matter is ___.

Accepted Answer

A)  a cloud of black holes and brown dwarfs in the galactic halo 
B)  extremely cold, supermassive molecular clouds in the disk 
C)  an unknown type of mass that does not emit or absorb photons 
D)  the substance of which black holes are made 
E)  a theory to explain galactic formation that has been proven wrong 
A)  a cloud of black holes and brown dwarfs in the galactic halo 
B)  extremely cold, supermassive molecular clouds in the disk 
C)  an unknown type of mass that does not emit or absorb photons 
D)  the substance of which black holes are made 
E)  a theory to explain galactic formation that has been proven wrong

Question 7

Stars in the central bulge of the galaxy follow elongated orbits tipped steeply to the plane of the disk.

Accepted Answer

A) True 
 B)False

Question 8

Based on Shapley's determination of the center of the galaxy, the Sun is located ____.

Accepted Answer

A)  in the galactic halo 
B)  near the center of the galaxy 
C)  at the edge of the galactic bulge 
D)  in the middle portion of the galactic disk 
E)  at the outer edge of the galactic disk 
A)  in the galactic halo 
B)  near the center of the galaxy 
C)  at the edge of the galactic bulge 
D)  in the middle portion of the galactic disk 
E)  at the outer edge of the galactic disk

Question 9

When you plot the position of sun-like stars, you will find that ___.

Accepted Answer

A)  almost all sun-like stars are found in spiral arms 
B)  sun-like stars are found in and out of spiral arms 
C)  sun-like stars are left behind by the spiral arms that created them 
D)  sun-like stars are only found in the outer 2/3 of the disk 
E)  sun-like stars are only found in the inner 2/3 of the disk 
A)  almost all sun-like stars are found in spiral arms 
B)  sun-like stars are found in and out of spiral arms 
C)  sun-like stars are left behind by the spiral arms that created them 
D)  sun-like stars are only found in the outer 2/3 of the disk 
E)  sun-like stars are only found in the inner 2/3 of the disk

Question 10

Why are Cepheid variables so important to the study of the Milky Way Galaxy?

Accepted Answer

Cepheid variables have a known relations

Question 11

A "grand-design" galaxy contains clear spiral arms with few spurs.

Accepted Answer

A) True 
 B)False

Question 12

In which area of the galaxy would you find stars with fairly circular orbits about the galactic center?

Accepted Answer

A)  central bulge 
B)  halo 
C)  corona 
D)  disk 
E)  galactic center 
A)  central bulge 
B)  halo 
C)  corona 
D)  disk 
E)  galactic center

Question 13

The mass of the black hole in the center of the galaxy has been determined by observing the motion of stars orbiting it.

Accepted Answer

A) True 
 B)False

The galactic _______________ contains very little gas and dust, old stars, and globular clusters.

A partial, or detached, segment of a spiral arm is referred to as a(n) " _______________."

Most of the light that makes the hazy band of the "milky way" visible in the night sky comes from reflection and emission nebulae.

Sgr A* has been heavily studied using _______________ interferometry.

Dark matter is ___.

Stars in the central bulge of the galaxy follow elongated orbits tipped steeply to the plane of the disk.

Based on Shapley's determination of the center of the galaxy, the Sun is located ____.

When you plot the position of sun-like stars, you will find that ___.

Why are Cepheid variables so important to the study of the Milky Way Galaxy?

A "grand-design" galaxy contains clear spiral arms with few spurs.

In which area of the galaxy would you find stars with fairly circular orbits about the galactic center?

The mass of the black hole in the center of the galaxy has been determined by observing the motion of stars orbiting it.

Here and Now

A Users Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Interstellar Medium

Formation and Structure of Stars

Stellar Evolution

Deaths of Stars

Neutron Stars and Black Holes

Galaxies

Supermassive Black Holes and Active Galaxies

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology

Filters

Exam 15: The Milky Way Galaxy

The galactic _______________ contains very little gas and dust, old stars, and globular clusters.

A partial, or detached, segment of a spiral arm is referred to as a(n) " _______________."

Most of the light that makes the hazy band of the "milky way" visible in the night sky comes from reflection and emission nebulae.

Sgr A* has been heavily studied using _______________ interferometry.

Dark matter is ___.

Stars in the central bulge of the galaxy follow elongated orbits tipped steeply to the plane of the disk.

Based on Shapley's determination of the center of the galaxy, the Sun is located ____.

When you plot the position of sun-like stars, you will find that ___.

Why are Cepheid variables so important to the study of the Milky Way Galaxy?

A "grand-design" galaxy contains clear spiral arms with few spurs.

In which area of the galaxy would you find stars with fairly circular orbits about the galactic center?

The mass of the black hole in the center of the galaxy has been determined by observing the motion of stars orbiting it.

Here and Now

A Users Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Interstellar Medium

Formation and Structure of Stars

Stellar Evolution

Deaths of Stars

Neutron Stars and Black Holes

Galaxies

Supermassive Black Holes and Active Galaxies

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology

Filters