Question 1

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

Question 2

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 3

If Earth rotated about its axis completely upright, what would we fail to experience?

Accepted Answer

A)  holidays 
B)  seasons 
C)  weather 
D)  day and night 
E)  a 365 day year

Question 4

Betelgeuse is the brightest star of which constellation?

Accepted Answer

A)  Orion 
B)  Ursa Minor 
C)  Ursa Major 
D)  Southern Cross 
E)  Cassiopeia

Question 5

From which language did the majority of star names originate?

Accepted Answer

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

Question 6

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

Accepted Answer

The answer of Describe the magnitude scale and compare the...

Question 7

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 8

Which is a unit used to measure angular distance?

Accepted Answer

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

Question 9

The constellations are an ancient heritage handed down for thousands of years as ways to tell stories of mythical heroes and monsters.

Accepted Answer

A) True 
 B)False

Question 10

Earth _______________ once a year around the Sun.

Accepted Answer

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

Question 11

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

Accepted Answer

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

Question 12

Describe the process of precession.

Accepted Answer

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

Question 13

Which is an asterism of Pegasus?

Accepted Answer

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

Question 14

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 15

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

Question 16

Figure 2-6 
The star Vega has a magnitude of 0.03. Using the accompanying figure, which object is brighter than Vega?

Accepted Answer

A)  Sun 
B)  Venus 
C)  Sirius 
D)  Polaris 
E)  full moon

Question 17

Why is Earth's orbit often referred to be a "nearly perfect circle" and not a true ellipse?

Accepted Answer

The answer of Why is Earth's orbit often referred to...

Question 18

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

Accepted Answer

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

Question 19

What is the apparent path of the Sun against the background of stars?

Accepted Answer

A)  ecliptic 
B)  zenith 
C)  nadir 
D)  elliptic 
E)  shadow

Question 20

Earth spins completely upright like a giant top.

Accepted Answer