Question 1

Earth _______________ once a year around the Sun.

Accepted Answer

The answer of Earth _______________ once a year around the...

Question 2

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)    α Ursa Major 
C)  -0.3 Ursa Minoris 
D)  α Ursae Minoris 
E)  β Ursae Minoris

Question 3

During which event does the Sun reach its most southern point in the celestial sphere within the Northern hemisphere?

Accepted Answer

A)  nadir 
B)  summer solstice 
C)  vernal equinox 
D)  autumnal equinox 
E)  winter solstice

Question 4

Describe the process of precession.

Accepted Answer

The answer of Describe the process of precession....

Question 5

Earth's axis is tilted at an angle of _______________ degrees.

Accepted Answer

The answer of Earth's axis is tilted at an angle...

Question 6

Why can someone in the United States almost always be able to observe the constellations such as Ursa Major, Cassiopeia, and Perseus?

Accepted Answer

The answer of Why can someone in the United States...

Question 7

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

Question 8

What date is the autumnal equinox for the Southern hemisphere?

Accepted Answer

A)  December 21 
B)  September 22 
C)  June 22 
D)  March 20 
E)  December 25

Question 9

The seasons are caused by Earth's orbit moving closer to or farther from the Sun.

Accepted Answer

A) True 
 B)False

Question 10

Explain why we have seasons and compare/contrast the cycle of seasons for both hemispheres.

Accepted Answer

The answer of Explain why we have seasons and compare/contrast...

Question 11

Most individual star names come from Latin and have been altered through passing centuries.

Accepted Answer

A) True 
 B)False

Question 12

What is the cause for the slow movement of reference marks, such as the celestial poles and equator, to move across the sky?

Accepted Answer

A)  precession 
B)  evolution 
C)  climate change 
D)  continental drift 
E)  angular revolution

Question 13

The eastward rotation of Earth causes the Sun, Moon, planets, and stars to move _______________ in the sky.

Accepted Answer

The answer of The eastward rotation of Earth causes the...

Question 14

The Sky Around You - Page 18 (For the following questions)
Review the accompanying figure. Where does the celestial equator always meet the horizon?

Accepted Answer

A)  at the north and south celestial poles 
B)  at the north and south poles 
C)  at the east and west points 
D)  at the zenith and nadir 
E)  at the equinox

Question 15

Earth spins completely upright like a giant top.

Accepted Answer

A) True 
 B)False

Question 16

The Sky Around You - Page 19 
In the above image, what is the observer measuring?

Accepted Answer

A)  angle 
B)  arc 
C)  distance 
D)  angular distance 
E)  angular momentum

Question 17

Due to the cycle of precession, in 12,000 years, which star will replace Polaris as the guiding North Star?

Accepted Answer

A)  Betelgeuse 
B)  Sirius 
C)  Vega 
D)  Rigel 
E)  Spica

Question 18

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

Question 19

The ecliptic is often called the _______________ of Earth's orbit on the sky.

Accepted Answer

The answer of The ecliptic is often called the _______________...

Question 20

Which is a unit used to measure angular distance?

Accepted Answer

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

Exam 2: A Users Guide to the Sky

Earth _______________ once a year around the Sun.

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

During which event does the Sun reach its most southern point in the celestial sphere within the Northern hemisphere?

Describe the process of precession.

Earth's axis is tilted at an angle of _______________ degrees.

Why can someone in the United States almost always be able to observe the constellations such as Ursa Major, Cassiopeia, and Perseus?

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

What date is the autumnal equinox for the Southern hemisphere?

The seasons are caused by Earth's orbit moving closer to or farther from the Sun.

Explain why we have seasons and compare/contrast the cycle of seasons for both hemispheres.

Most individual star names come from Latin and have been altered through passing centuries.

What is the cause for the slow movement of reference marks, such as the celestial poles and equator, to move across the sky?

The eastward rotation of Earth causes the Sun, Moon, planets, and stars to move _______________ in the sky.

The Sky Around You - Page 18 (For the following questions) Review the accompanying figure. Where does the celestial equator always meet the horizon?

Earth spins completely upright like a giant top.

The Sky Around You - Page 19 In the above image, what is the observer measuring?

Due to the cycle of precession, in 12,000 years, which star will replace Polaris as the guiding North Star?

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

The ecliptic is often called the _______________ of Earth's orbit on the sky.

Which is a unit used to measure angular distance?