Question 1

Astronomers describe the brightness of stars using the brilliance scale.

Accepted Answer

A) True 
 B)False  False

Question 2

Arc seconds are _______________th of an arc minute.

Accepted Answer

1/60

Question 3

Earth _______________ once a year around the Sun.

Accepted Answer

revolves

Question 4

The Milankovitch hypothesis suggests that the shape of Earth's orbit, its precession, and tilted axis can influence climatic changes and thus cause _____.

Accepted Answer

A)  hurricanes 
B)  ice ages 
C)  season shift 
D)  longer days 
E)  warmer weather 
A)  hurricanes 
B)  ice ages 
C)  season shift 
D)  longer days 
E)  warmer weather

Question 5

Day and night cycles are caused by the ____ of Earth.

Accepted Answer

A)  revolution 
B)  location 
C)  axis tilt 
D)  rotation 
E)  boundaries 
A)  revolution 
B)  location 
C)  axis tilt 
D)  rotation 
E)  boundaries

Question 6

Earth's rotation is connected with a very slow celestial motion that can be detected only over _____

Accepted Answer

A)  centuries 
B)  decades 
C)  a year 
D)  a few months 
E)  short brief periods 
A)  centuries 
B)  decades 
C)  a year 
D)  a few months 
E)  short brief periods

Question 7

Why is the term  "arc" used to describe units of measure for angular distance?

Accepted Answer

A)  To avoid confusion with the minutes and seconds of time 
B)  To describe the arc-shaped distance between the stars 
C)  To distinguish the base unit of 10 per degree 
D)  To distinguish the difference between northern and southern spheres 
E)  To describe the placement of the stars within each hemisphere 
A)  To avoid confusion with the minutes and seconds of time 
B)  To describe the arc-shaped distance between the stars 
C)  To distinguish the base unit of 10 per degree 
D)  To distinguish the difference between northern and southern spheres 
E)  To describe the placement of the stars within each hemisphere

Question 8

The Sky Around You - Page 18 (For the following questions)
Review the accompanying figure and identify point B.

Accepted Answer

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

Question 9

What is the flux ratio of two stars whose difference in magnitude is 2.6?

Accepted Answer

A)  6.3 
B)  10.8 
C)  21.3 
D)  632 
E)  1090 
A)  6.3 
B)  10.8 
C)  21.3 
D)  632 
E)  1090

Question 10

Astronomers use the _______________ alphabet to identify the bright stars in a constellation in approximate order of brightness.

Accepted Answer

The answer of Astronomers use the _______________ alphabet to identify...

Question 11

Which is a unit used to measure angular distance?

Accepted Answer

A)  seconds 
B)  minutes 
C)  arc seconds 
D)  feet 
E)  kilometers 
A)  seconds 
B)  minutes 
C)  arc seconds 
D)  feet 
E)  kilometers

Question 12

Figure 2-5 
Examine the accompanying figure. Which term would be the correct scientific designation for Polaris in Ursa Minoris?

Accepted Answer

A)  North Star 
B)    ? Ursa Major 
C)  -0.3 Ursa Minoris 
D)  ? Ursae Minoris 
E)  ? Ursae Minoris 
A)  North Star 
B)    ? Ursa Major 
C)  -0.3 Ursa Minoris 
D)  ? Ursae Minoris 
E)  ? Ursae Minoris

Question 13

In ancient times, constellation boundaries were well defined.

Accepted Answer

A) True 
 B)False

Question 14

Which ancient astronomer recorded the magnitude of stars in his star catalog and was used successfully by astronomers for generations?

Accepted Answer

A)  Ptolemy 
B)  Copernicus 
C)  Galileo 
D)  Kepler 
E)  Aristotle 
A)  Ptolemy 
B)  Copernicus 
C)  Galileo 
D)  Kepler 
E)  Aristotle

Question 15

Astrology is an example of _______________.

Accepted Answer

The answer of Astrology is an example of _______________....

Question 16

In 1928, the International Astronomical Union (IAU) established _______________ official constellations with carefully defined boundaries that together include every part of the sky.

Accepted Answer

The answer of In 1928, the International Astronomical Union (IAU)...

Question 17

Which is an asterism of Pegasus?

Accepted Answer

A)  Great Square 
B)  Orion 
C)  Andromeda 
D)  Scorpio 
E)  Cassiopeia 
A)  Great Square 
B)  Orion 
C)  Andromeda 
D)  Scorpio 
E)  Cassiopeia

Question 18

Even though modern astronomers know that stars are scattered through space at different distances, they still use what scientific model to describe celestial locations in the sky?

Accepted Answer

A)  apparent visual magnitude 
B)  Copernican revolution 
C)  celestial sphere 
D)  scientific orb 
E)  planetarium dome 
A)  apparent visual magnitude 
B)  Copernican revolution 
C)  celestial sphere 
D)  scientific orb 
E)  planetarium dome

Question 19

Describe the magnitude scale and compare the ancient method to the current methodology used today.

Accepted Answer

Astronomers describe the brightness of s

Question 20

What is the name of constellations that appear to never rise or set?

Accepted Answer

A)  polar constellations 
B)  circumference constellations 
C)  circular constellations 
D)  celestial polar constellations 
E)  circumpolar constellations 
A)  polar constellations 
B)  circumference constellations 
C)  circular constellations 
D)  celestial polar constellations 
E)  circumpolar constellations

Exam 2: A Users Guide to the Sky

Astronomers describe the brightness of stars using the brilliance scale.

Arc seconds are _______________th of an arc minute.

Earth _______________ once a year around the Sun.

The Milankovitch hypothesis suggests that the shape of Earth's orbit, its precession, and tilted axis can influence climatic changes and thus cause _____.

Day and night cycles are caused by the ____ of Earth.

Earth's rotation is connected with a very slow celestial motion that can be detected only over _____

Why is the term "arc" used to describe units of measure for angular distance?

The Sky Around You - Page 18 (For the following questions) Review the accompanying figure and identify point B.

What is the flux ratio of two stars whose difference in magnitude is 2.6?

Astronomers use the _______________ alphabet to identify the bright stars in a constellation in approximate order of brightness.

Which is a unit used to measure angular distance?

Figure 2-5 Examine the accompanying figure. Which term would be the correct scientific designation for Polaris in Ursa Minoris?

In ancient times, constellation boundaries were well defined.

Which ancient astronomer recorded the magnitude of stars in his star catalog and was used successfully by astronomers for generations?

Astrology is an example of _______________.

In 1928, the International Astronomical Union (IAU) established _______________ official constellations with carefully defined boundaries that together include every part of the sky.

Which is an asterism of Pegasus?

Even though modern astronomers know that stars are scattered through space at different distances, they still use what scientific model to describe celestial locations in the sky?

Describe the magnitude scale and compare the ancient method to the current methodology used today.

What is the name of constellations that appear to never rise or set?

Here and Now

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

The Milky Way Galaxy

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