Question 1

_________ is equal to the angular distance from the horizon to the north celestial pole.

Accepted Answer

The answer of _________ is equal to the angular distance...

Question 2

The ____ is the point on the celestial sphere directly above an observer who can be at any point on the Earth.

Accepted Answer

A)  north celestial pole 
B)  south celestial pole 
C)  zenith 
D)  celestial equator 
E)  nadir 
A)  north celestial pole 
B)  south celestial pole 
C)  zenith 
D)  celestial equator 
E)  nadir

Question 3

All the constellations in the sky were created by the Greeks.

Accepted Answer

A) True 
 B)False

Question 4

Most star names, such as Aldebaran and Betelgeuse, are___ in origin.

Accepted Answer

A)  Latin 
B)  Greek 
C)  Arabic 
D)  English 
E)  Italian 
A)  Latin 
B)  Greek 
C)  Arabic 
D)  English 
E)  Italian

Question 5

You lay on your back and watch the stars for an entire night. You focus on one star and notice that it does not rise or set, nor does it trace circles in the sky. What is your latitude on Earth? Which star would be at your zenith if you stood up? Which significant feature of the celestial sphere lies along your horizon?

Accepted Answer

+90 degree

Question 6

How much of the sky is north of the celestial equator?

Accepted Answer

A)  less than one-half, because of the tilt of the equator to the ecliptic plane 
B)  more than one-half, because of the precession of the poles 
C)  exactly one-half 
D)  all of the night sky 
A)  less than one-half, because of the tilt of the equator to the ecliptic plane 
B)  more than one-half, because of the precession of the poles 
C)  exactly one-half 
D)  all of the night sky

Question 7

Which of the following is ordered correctly from smallest to largest?

Accepted Answer

A)  arc minute, arc second, degree 
B)  degree, arc minute, arc second 
C)  arc minute, degree, arc second 
D)  arc second, arc minute, degree 
A)  arc minute, arc second, degree 
B)  degree, arc minute, arc second 
C)  arc minute, degree, arc second 
D)  arc second, arc minute, degree

Question 8

Table 2-1   Refer to Table 2-1. Which star in the table would not be visible to the unaided eye of an observer on Earth?

Accepted Answer

A)  α Cet 
B)  α Cma 
C)  Nim 
D)  ρ Per 
E)  δ Dra 
A)  α Cet 
B)  α Cma 
C)  Nim 
D)  ρ Per 
E)  δ Dra

Question 9

North, south, east, and west are points on the _____________ of your local sky.

Accepted Answer

The answer of North, south, east, and west are points...

Question 10

An observer at Earth's geographic north pole would find _______

Accepted Answer

A)  the celestial equator passing at 45 degrees above the northern horizon. 
B)  the celestial equator passing at 45 degrees above the southern horizon. 
C)  that the celestial equator coincides with the horizon. 
D)  the celestial equator passing directly overhead. 
E)  None of the other choices are true. 
A)  the celestial equator passing at 45 degrees above the northern horizon. 
B)  the celestial equator passing at 45 degrees above the southern horizon. 
C)  that the celestial equator coincides with the horizon. 
D)  the celestial equator passing directly overhead. 
E)  None of the other choices are true.

Question 11

The little dipper is an asterism that can be seen in spring from the northern hemisphere.

Accepted Answer

A) True 
 B)False

Question 12

Stars in the same constellation

Accepted Answer

A)  probably formed at the same time. 
B)  must be part of the same cluster of stars in space. 
C)  must have been discovered at about the same time at the same location in space. 
D)  may actually be very different distances away from the observer and from each other. 
A)  probably formed at the same time. 
B)  must be part of the same cluster of stars in space. 
C)  must have been discovered at about the same time at the same location in space. 
D)  may actually be very different distances away from the observer and from each other.

Question 13

Table 2-1   Refer to Table 2-1. Which star in the table would appear the brightest to an observer on Earth?

Accepted Answer

A)  α Cet 
B)  α CMa 
C)  Nim 
D)  ρ Per 
E)  δ Dra 
A)  α Cet 
B)  α CMa 
C)  Nim 
D)  ρ Per 
E)  δ Dra

Question 14

An observer in the Northern Hemisphere takes a time exposure photograph of the night sky. If the illustration below depicts the photograph taken by the observer, which direction was the camera pointing?

Accepted Answer

A)  straight north 
B)  straight east 
C)  straight south 
D)  straight west 
E)  straight up, directly overhead 
A)  straight north 
B)  straight east 
C)  straight south 
D)  straight west 
E)  straight up, directly overhead

Question 15

A star is given a designation of Alpha Draconis and thus apparently it is the _______________ in the constellation.

Accepted Answer

A)  brightest 
B)  second brightest 
C)  third brightest 
D)  fourth brightest 
A)  brightest 
B)  second brightest 
C)  third brightest 
D)  fourth brightest

Question 16

How many constellations are on a celestial sphere? How many boundaries are on a celestial sphere? Are boundaries unique to a constellation or shared?

Accepted Answer

88 constel

Question 17

Polaris is a second magnitude star, and Phi Pegasi is about 16 times fainter than Polaris. What is the approximate magnitude of Phi Pegasi?

Accepted Answer

A)  18 
B)  − 14 
C)  3 
D)  − 3 
E)  5 
A)  18 
B)  − 14 
C)  3 
D)  − 3 
E)  5

Question 18

Table 2-1   Refer to Table 2-1. Based on the information in the table, what is the ratio of the intensity of Dra to that of Nim?

Accepted Answer

A)  2.512 
B)  5 
C)  8.07 
D)  11.14 
E)  100 
A)  2.512 
B)  5 
C)  8.07 
D)  11.14 
E)  100

Question 19

Earth's rotation axis traces out a cone shape in the sky, precessing in the ___________________ direction.

Accepted Answer

The answer of Earth's rotation axis traces out a cone...

Question 20

Earth's rotation axis ____________________ slowly so that in a few thousand years Polaris will no longer be the North Star.

Accepted Answer

The answer of Earth's rotation axis ____________________ slowly so that...

_________ is equal to the angular distance from the horizon to the north celestial pole.

The ____ is the point on the celestial sphere directly above an observer who can be at any point on the Earth.

All the constellations in the sky were created by the Greeks.

Most star names, such as Aldebaran and Betelgeuse, are___ in origin.

How much of the sky is north of the celestial equator?

Which of the following is ordered correctly from smallest to largest?

Table 2-1 Refer to Table 2-1. Which star in the table would not be visible to the unaided eye of an observer on Earth?

North, south, east, and west are points on the _____________ of your local sky.

An observer at Earth's geographic north pole would find _______

The little dipper is an asterism that can be seen in spring from the northern hemisphere.

Stars in the same constellation

Table 2-1 Refer to Table 2-1. Which star in the table would appear the brightest to an observer on Earth?

An observer in the Northern Hemisphere takes a time exposure photograph of the night sky. If the illustration below depicts the photograph taken by the observer, which direction was the camera pointing?

A star is given a designation of Alpha Draconis and thus apparently it is the _______________ in the constellation.

How many constellations are on a celestial sphere? How many boundaries are on a celestial sphere? Are boundaries unique to a constellation or shared?

Polaris is a second magnitude star, and Phi Pegasi is about 16 times fainter than Polaris. What is the approximate magnitude of Phi Pegasi?

Table 2-1 Refer to Table 2-1. Based on the information in the table, what is the ratio of the intensity of Dra to that of Nim?

Earth's rotation axis traces out a cone shape in the sky, precessing in the ___________________ direction.

Earth's rotation axis ____________________ slowly so that in a few thousand years Polaris will no longer be the North Star.

Here and Now

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

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

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 2: A Users Guide to the Sky

_________ is equal to the angular distance from the horizon to the north celestial pole.

The ____ is the point on the celestial sphere directly above an observer who can be at any point on the Earth.

All the constellations in the sky were created by the Greeks.

Most star names, such as Aldebaran and Betelgeuse, are___ in origin.

How much of the sky is north of the celestial equator?

Which of the following is ordered correctly from smallest to largest?

Table 2-1 Refer to Table 2-1. Which star in the table would not be visible to the unaided eye of an observer on Earth?

North, south, east, and west are points on the _____________ of your local sky.

An observer at Earth's geographic north pole would find _______

The little dipper is an asterism that can be seen in spring from the northern hemisphere.

Stars in the same constellation

Table 2-1 Refer to Table 2-1. Which star in the table would appear the brightest to an observer on Earth?

An observer in the Northern Hemisphere takes a time exposure photograph of the night sky. If the illustration below depicts the photograph taken by the observer, which direction was the camera pointing?

A star is given a designation of Alpha Draconis and thus apparently it is the _______________ in the constellation.

How many constellations are on a celestial sphere? How many boundaries are on a celestial sphere? Are boundaries unique to a constellation or shared?

Polaris is a second magnitude star, and Phi Pegasi is about 16 times fainter than Polaris. What is the approximate magnitude of Phi Pegasi?

Table 2-1 Refer to Table 2-1. Based on the information in the table, what is the ratio of the intensity of Dra to that of Nim?

Earth's rotation axis traces out a cone shape in the sky, precessing in the ___________________ direction.

Earth's rotation axis ____________________ slowly so that in a few thousand years Polaris will no longer be the North Star.

Here and Now

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

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

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