Question 1

At a latitude of +50°,how far above the horizon is the north celestial pole?

Accepted Answer

A)  0° 
B)  40° 
C)  50° 
D)  90° 
A)  0° 
B)  40° 
C)  50° 
D)  90°

Question 2

The Moon undergoes synchronous rotation,and as a consequence the

Accepted Answer

A)  rotational period of the Moon equals the orbital period of the Moon around the Earth. 
B)  rotational period of the Moon equals the rotational period of the Earth. 
C)  rotational period of the Moon equals the orbital period of the Earth around the Sun. 
D)  Moon does not rotate as it orbits the Earth. 
A)  rotational period of the Moon equals the orbital period of the Moon around the Earth. 
B)  rotational period of the Moon equals the rotational period of the Earth. 
C)  rotational period of the Moon equals the orbital period of the Earth around the Sun. 
D)  Moon does not rotate as it orbits the Earth.

Question 3

The longest day of the year in the Northern Hemisphere occurs on the summer solstice.

Accepted Answer

A) True 
 B)False

Question 4

The direction directly overhead of an observer defines his/her

Accepted Answer

A)  meridian. 
B)  celestial pole. 
C)  circumpolar plane. 
D)  zenith. 
A)  meridian. 
B)  celestial pole. 
C)  circumpolar plane. 
D)  zenith.

Question 5

We experience seasons because

Accepted Answer

A)  the Earth's equator is tilted relative to the plane of the solar system. 
B)  the Earth is closer to the Sun in summer and farther from the Sun in the winter. 
C)  the length of the day is longer in the summer and shorter in the winter. 
D)  the Earth moves with a slower speed in its orbit during summer and faster during winter. 
A)  the Earth's equator is tilted relative to the plane of the solar system. 
B)  the Earth is closer to the Sun in summer and farther from the Sun in the winter. 
C)  the length of the day is longer in the summer and shorter in the winter. 
D)  the Earth moves with a slower speed in its orbit during summer and faster during winter.

Question 6

If the star Polaris has an altitude of 35° then we know that

Accepted Answer

A)  our longitude is +55°. 
B)  our latitude is +55°. 
C)  our longitude is +35°. 
D)  our latitude is +35°. 
A)  our longitude is +55°. 
B)  our latitude is +55°. 
C)  our longitude is +35°. 
D)  our latitude is +35°.

Question 7

How far away on average is the Earth from the Sun?

Accepted Answer

A)  8.3 million kilometers 
B)  45 million kilometers 
C)  93 million kilometers 
D)  150 million kilometers 
A)  8.3 million kilometers 
B)  45 million kilometers 
C)  93 million kilometers 
D)  150 million kilometers

Question 8

At what time does a third quarter moon rise? (Hint: A third quarter moon occurs approximately 3 weeks after a new moon. )

Accepted Answer

A)  12 midnight 
B)  12 noon 
C)  6 A.M. 
D)  6 P.M. 
A)  12 midnight 
B)  12 noon 
C)  6 A.M. 
D)  6 P.M.

Question 9

What makes the equinoxes and solstices special?

Accepted Answer

The equinoxes occur when the Sun is dire

Question 10

Consider an observer located on the equator.If the observer sees a star directly overhead at 8 P.M. ,where will that star be located in the night sky at midnight? How far above the horizon will it be or will it have set?

Accepted Answer

The star will move westward by

Question 11

The shortest day of the year for a person living in the Northern Hemisphere is the

Accepted Answer

A)  summer solstice. 
B)  vernal equinox. 
C)  winter solstice. 
D)  autumnal equinox. 
A)  summer solstice. 
B)  vernal equinox. 
C)  winter solstice. 
D)  autumnal equinox.

Question 12

The meridian is defined as a great circle on the sky on which lie the

Accepted Answer

A)  celestial equator and vernal equinox. 
B)  north and south celestial poles. 
C)  zenith and the north and south celestial poles. 
D)  zenith and east and west directions. 
A)  celestial equator and vernal equinox. 
B)  north and south celestial poles. 
C)  zenith and the north and south celestial poles. 
D)  zenith and east and west directions.

Question 13

The shortest day of the year for a person living in the Southern Hemisphere is the

Accepted Answer

A)  summer solstice (June 1). 
B)  vernal equinox (March 21). 
C)  winter solstice (Dec.22). 
D)  autumnal equinox (Sept.23). 
A)  summer solstice (June 1). 
B)  vernal equinox (March 21). 
C)  winter solstice (Dec.22). 
D)  autumnal equinox (Sept.23).

Question 14

A new Moon will always be in the eastern sky at sunrise.

Accepted Answer

A) True 
 B)False

Question 15

No matter where you are on Earth,stars appear to rotate about a point called the

Accepted Answer

A)  zenith. 
B)  celestial pole. 
C)  meridian. 
D)  equinox. 
A)  zenith. 
B)  celestial pole. 
C)  meridian. 
D)  equinox.

Question 16

If the Earth's axis were tilted by 5° relative to the direction perpendicular to its orbital plane around the Sun,which would be true?

Accepted Answer

A)  The seasons would remain the same. 
B)  Summers would be warmer. 
C)  Winters would last longer. 
D)  Winters would be warmer. 
A)  The seasons would remain the same. 
B)  Summers would be warmer. 
C)  Winters would last longer. 
D)  Winters would be warmer.

Question 17

The equator is the only place on Earth where you can see the entire celestial sphere (day or night)over the course of 24 hours.

Accepted Answer

A) True 
 B)False

Question 18

Earth has an average radius of approximately   .What is the average speed of the ground due to the rotation of Earth at its equator in km/s if there are   seconds per day?

Accepted Answer

Here the students need to conv

Question 19

The center of the Milky Way lies approximately 30° south of the celestial equator.From what latitudes on the Earth is it impossible to view the center of our galaxy?

Accepted Answer

At @#IMG-DLM& ,it would be imp

Question 20

The apparent path of the Sun across the celestial sphere during a year is called the

Accepted Answer

A)  prime meridian. 
B)  ecliptic plane. 
C)  circumpolar plane. 
D)  celestial equator. 
A)  prime meridian. 
B)  ecliptic plane. 
C)  circumpolar plane. 
D)  celestial equator.

Exam 2: Patterns in the Skymotions of Earth

At a latitude of +50°,how far above the horizon is the north celestial pole?

The Moon undergoes synchronous rotation,and as a consequence the

The longest day of the year in the Northern Hemisphere occurs on the summer solstice.

The direction directly overhead of an observer defines his/her

We experience seasons because

If the star Polaris has an altitude of 35° then we know that

How far away on average is the Earth from the Sun?

At what time does a third quarter moon rise? (Hint: A third quarter moon occurs approximately 3 weeks after a new moon. )

What makes the equinoxes and solstices special?

Consider an observer located on the equator.If the observer sees a star directly overhead at 8 P.M. ,where will that star be located in the night sky at midnight? How far above the horizon will it be or will it have set?

The shortest day of the year for a person living in the Northern Hemisphere is the

The meridian is defined as a great circle on the sky on which lie the

The shortest day of the year for a person living in the Southern Hemisphere is the

A new Moon will always be in the eastern sky at sunrise.

No matter where you are on Earth,stars appear to rotate about a point called the

If the Earth's axis were tilted by 5° relative to the direction perpendicular to its orbital plane around the Sun,which would be true?

The equator is the only place on Earth where you can see the entire celestial sphere (day or night)over the course of 24 hours.

Earth has an average radius of approximately .What is the average speed of the ground due to the rotation of Earth at its equator in km/s if there are seconds per day?

The center of the Milky Way lies approximately 30° south of the celestial equator.From what latitudes on the Earth is it impossible to view the center of our galaxy?

The apparent path of the Sun across the celestial sphere during a year is called the

Why Learn Astronomy

Gravity and Orbitsa Celestial Ballet

Light

The Tools of the Astronomer

The Birth and Evolution of Planetary Systems

The Terrestrial Planets and Earths Moon

Atmospheres of the Terrestrial Planets

Worlds of Gas and Liquidthe Giant Planets

Gravity Is More Than Keplers Laws

Planetary Adornmentsmoons and Rings

Dwarf Planets and Small Solar System Bodies

Taking the Measure of Stars

A Run-Of-The-Mill G-Type Starour Sun

Star Formation and the Interstellar Medium

Stars in the Slow Lanelow-Mass Stellar Evolution

Live Fast,die Younghigh-Mass Stellar Evolution

Our Expanding Universe

Galaxies

The Milky Waya Normal Spiral Galaxy

Modern Cosmology

The Origin of Structure

Life

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