Question 1

A total solar eclipse will be visible from the same location on Earth one saros cycle later.

Accepted Answer

A) True 
 B)False  False

Question 2

Earth doesn't experience a solar eclipse every month because

Accepted Answer

A)  of unpredictable weather patterns. 
B)  the moon always keeps its same side toward the Earth 
C)  the moon's position is not aligned with the Earth's orbit. 
D)  its sometimes nighttime when the eclipse occurs. 
E)  sometimes the moon is too far away. 
A)  of unpredictable weather patterns. 
B)  the moon always keeps its same side toward the Earth 
C)  the moon's position is not aligned with the Earth's orbit. 
D)  its sometimes nighttime when the eclipse occurs. 
E)  sometimes the moon is too far away. C

Question 3

During a total lunar eclipse,which of the following are true?

Accepted Answer

A)  I,III 
B)  II,IV 
C)  I,II,III 
D)  II,III 
E)  I,II,III,IV 
A)  I,III 
B)  II,IV 
C)  I,II,III 
D)  II,III 
E)  I,II,III,IV B

Question 4

The phase of the Moon on a particular night is determined by

Accepted Answer

A)  The season of the year 
B)  The speed of the Moon in is orbit 
C)  The relative positions of the Sun,Earth,and Moon 
D)  How the Earth's shadow hits the Moon 
E)  The distance from the Earth to the Moon 
A)  The season of the year 
B)  The speed of the Moon in is orbit 
C)  The relative positions of the Sun,Earth,and Moon 
D)  How the Earth's shadow hits the Moon 
E)  The distance from the Earth to the Moon

Question 5

The saros cycle

Accepted Answer

A)  was used in ancient times to predict eclipses. 
B)  is 18 years,days long. 
C)  comes from a Greek word that means repetition. 
D)  all of the above 
E)  none of the above 
A)  was used in ancient times to predict eclipses. 
B)  is 18 years,days long. 
C)  comes from a Greek word that means repetition. 
D)  all of the above 
E)  none of the above

Question 6

A marble has a diameter of 2 cm.At what distance would the marble have an angular diameter of 1 arc second? Here one radian is 57.3 degrees,and one arc second is 1/3600 of a degree.

Accepted Answer

A)  4.1 cm 
B)  4.1 miles 
C)  4.1 m 
D)  4.1 ft 
E)  4.1 km 
A)  4.1 cm 
B)  4.1 miles 
C)  4.1 m 
D)  4.1 ft 
E)  4.1 km

Question 7

During an annular eclipse of the sun,the corona of the sun is visible.

Accepted Answer

A) True 
 B)False

Question 8

The moon moves about ____ eastward in the sky each night making a complete cycle about the Earth in about 27 days.

Accepted Answer

A)  1$\degree$ 
B)  5$\degree$ 
C)  13$\degree$ 
D)  27.3$\degree$ 
E)  29.5$\degree$ 
A)  1$\degree$ 
B)  5$\degree$ 
C)  13$\degree$ 
D)  27.3$\degree$ 
E)  29.5$\degree$

Question 9

On a clear night when an observer in Los Angeles sees a first quarter Moon an observer in London would see

Accepted Answer

A)  a full moon. 
B)  a first quarter moon. 
C)  a new moon. 
D)  a third quarter moon. 
E)  any of the above,depends on the time 
A)  a full moon. 
B)  a first quarter moon. 
C)  a new moon. 
D)  a third quarter moon. 
E)  any of the above,depends on the time

Question 10

A waxing crescent moon is visible

Accepted Answer

A)  near the eastern horizon just before sunrise. 
B)  near the eastern horizon just after sunset. 
C)  near the western horizon just before sunrise. 
D)  near the western horizon just after sunset. 
E)  from sunset until sunrise. 
A)  near the eastern horizon just before sunrise. 
B)  near the eastern horizon just after sunset. 
C)  near the western horizon just before sunrise. 
D)  near the western horizon just after sunset. 
E)  from sunset until sunrise.

Question 11

The ____________________ month is the period of revolution of the moon around Earth with respect to the stars.

Accepted Answer

The answer of The ____________________ month is the period of...

Question 12

A total lunar eclipse is

Accepted Answer

A)  visible only from the path of totality. 
B)  visible only during a new moon. 
C)  visible to all observers on the side of Earth from which the moon would be visible at that time. 
D)  an opportunity to study the corona of the sun. 
E)  none of the above 
A)  visible only from the path of totality. 
B)  visible only during a new moon. 
C)  visible to all observers on the side of Earth from which the moon would be visible at that time. 
D)  an opportunity to study the corona of the sun. 
E)  none of the above

Question 13

The ____ is 18 years and   days long.

Accepted Answer

A)  sidereal period 
B)  synodic period 
C)  eclipse season 
D)  saros cycle 
E)  eclipse year 
A)  sidereal period 
B)  synodic period 
C)  eclipse season 
D)  saros cycle 
E)  eclipse year

Question 14

The _____ moon is visible above the western horizon a couple of hours before sunrise.

Accepted Answer

A)  waning gibbous 
B)  waxing gibbous 
C)  waxing crescent 
D)  waning crescent 
E)  new 
A)  waning gibbous 
B)  waxing gibbous 
C)  waxing crescent 
D)  waning crescent 
E)  new

Question 15

If you were on the moon during a total lunar eclipse,the sun would be hidden behind Earth.

Accepted Answer

A) True 
 B)False

Question 16

When will the full moon be highest above the southern horizon for an observer in the Northern Hemisphere?

Accepted Answer

A)  at midnight near the summer solstice 
B)  at midnight near the vernal equinox 
C)  at midnight near the winter solstice 
D)  The angle between the southern horizon and the full moon at midnight does not change with the seasons. 
A)  at midnight near the summer solstice 
B)  at midnight near the vernal equinox 
C)  at midnight near the winter solstice 
D)  The angle between the southern horizon and the full moon at midnight does not change with the seasons.

Question 17

The third quarter moon rises at noon.

Accepted Answer

A) True 
 B)False

Question 18

A(n)____________________ eclipse occurs when the moon is at its greatest distance from Earth,and the moon is new.

Accepted Answer

The answer of A(n)____________________ eclipse occurs when the moon is...

Question 19

The ____________________ of the sun is not visible during a total solar eclipse.

Accepted Answer

The answer of The ____________________ of the sun is not...

Question 20

A(n)____________________ moon rises in the eastern sky approximately as sun sets..

Accepted Answer

The answer of A(n)____________________ moon rises in the eastern sky...

Exam 3: Cycles of the Moon

A total solar eclipse will be visible from the same location on Earth one saros cycle later.

Earth doesn't experience a solar eclipse every month because

During a total lunar eclipse,which of the following are true?

The phase of the Moon on a particular night is determined by

The saros cycle

A marble has a diameter of 2 cm.At what distance would the marble have an angular diameter of 1 arc second? Here one radian is 57.3 degrees,and one arc second is 1/3600 of a degree.

During an annular eclipse of the sun,the corona of the sun is visible.

The moon moves about ____ eastward in the sky each night making a complete cycle about the Earth in about 27 days.

On a clear night when an observer in Los Angeles sees a first quarter Moon an observer in London would see

A waxing crescent moon is visible

The ____________________ month is the period of revolution of the moon around Earth with respect to the stars.

A total lunar eclipse is

The ____ is 18 years and days long.

The _____ moon is visible above the western horizon a couple of hours before sunrise.

If you were on the moon during a total lunar eclipse,the sun would be hidden behind Earth.

When will the full moon be highest above the southern horizon for an observer in the Northern Hemisphere?

The third quarter moon rises at noon.

A(n)____________________ eclipse occurs when the moon is at its greatest distance from Earth,and the moon is new.

The ____________________ of the sun is not visible during a total solar eclipse.

A(n)____________________ moon rises in the eastern sky approximately as sun sets..

Here and Now

A Users Guide to the Sky

The Origin of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Interstellar Medium

The Formation and Structure of Stars

Stellar Evolution

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies

Active Galaxies and Supermassive Black Holes

Modern Cosmology

The Origin of the Solar System

Earth: the Standard of Comparative Planetology

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus,neptune,and the Kuiper Belt

Meteorites,asteroids,and Comets

Astrobiology: Life on Other Worlds

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