Question 1

The figure shows the ______ and _____ Moon phases.

Accepted Answer

A) crescent; first-quarter 
B) new; new 
C) crescent; full 
D) first-quarter; full 
A) crescent; first-quarter 
B) new; new 
C) crescent; full 
D) first-quarter; full

Question 2

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 3

The ____ of the Moon is the period of time for the Moon to complete a cycle of the lunar phases and is approximately 29.5 days long.

Accepted Answer

A) sidereal period 
B) Saros cycle 
C) synodic period 
D) eclipse season 
E) umbral period 
A) sidereal period 
B) Saros cycle 
C) synodic period 
D) eclipse season 
E) umbral period

Question 4

An eclipse of the Moon (lunar eclipse) as seen from Earth, happens when

Accepted Answer

A) the hot luminous Moon suddenly cools and stops emitting light. 
B) the Moon passes between Earth and the Sun. 
C) the Earth is between the Moon and the Sun. 
D) the Moon is 90 degrees from the direction of the Sun. 
A) the hot luminous Moon suddenly cools and stops emitting light. 
B) the Moon passes between Earth and the Sun. 
C) the Earth is between the Moon and the Sun. 
D) the Moon is 90 degrees from the direction of the Sun.

Question 5

Which of the following is not visible during totality of a total solar eclipse

Accepted Answer

A) the corona of the Sun 
B) the chromosphere of the Sun 
C) prominences 
D) the photosphere of the Sun 
E) All of the other choices are correct. 
A) the corona of the Sun 
B) the chromosphere of the Sun 
C) prominences 
D) the photosphere of the Sun 
E) All of the other choices are correct.

Question 6

In the picture shown, in which hemisphere is the person located and the location of the Sun is above what geographic point on Earth

Accepted Answer

A) northern, north of the equator 
B) southern, south of the equator 
C) northern, south of the equator 
D) southern, north of the equator 
A) northern, north of the equator 
B) southern, south of the equator 
C) northern, south of the equator 
D) southern, north of the equator

Question 7

If the Moon's orbital plane was aligned with the celestial equator we could

Accepted Answer

A) have eclipses every month. 
B) never have eclipses. 
C) have eclipses only at solstice. 
D) have eclipses only at the equinoxes. 
A) have eclipses every month. 
B) never have eclipses. 
C) have eclipses only at solstice. 
D) have eclipses only at the equinoxes.

Question 8

The sidereal period of the Moon is

Accepted Answer

A) about 27.32 days long. 
B) the period of time for the Moon to orbit Earth once with respect to the stars. 
C) the period of time between successive eclipses at a given location on Earth. 
D) the period of time from when the Moon rises until the Moon rises again the next night. 
E) about 27.32 days long and the period of time for the Moon to orbit Earth once with respect to the stars. 
A) about 27.32 days long. 
B) the period of time for the Moon to orbit Earth once with respect to the stars. 
C) the period of time between successive eclipses at a given location on Earth. 
D) the period of time from when the Moon rises until the Moon rises again the next night. 
E) about 27.32 days long and the period of time for the Moon to orbit Earth once with respect to the stars.

Question 9

-Diagram 3-1 shows three approximate locations of the setting Sun along the western horizon. Which number indicates the location of the Sun at sunset on December 21 (winter Sun) for an observer at a latitude of 48° north of the equator Choose the best answer.

Accepted Answer

A) 1 
B) 2 
C) 3 
D) The Sun will set in the east for an observer in the southern hemisphere. 
E) The Sun will not set on December 21 at this latitude. 
A) 1 
B) 2 
C) 3 
D) The Sun will set in the east for an observer in the southern hemisphere. 
E) The Sun will not set on December 21 at this latitude.

Question 10

Relative to the stars, the Moon moves about ____ eastward in the sky each night.

Accepted Answer

A) 1° 
B) 5° 
C) 13° 
D) 27.3° 
E) 29.5° 
A) 1° 
B) 5° 
C) 13° 
D) 27.3° 
E) 29.5°

Question 11

The most distant point in the Moon's orbit is called _________________.

Accepted Answer

A) apogee 
B) perigee 
C) perihelion 
D) aphelion 
A) apogee 
B) perigee 
C) perihelion 
D) aphelion

Question 12

The time for the Moon to repeat its cycle of phases is equal to

Accepted Answer

A) its sidereal period. 
B) one day. 
C) one hour. 
D) one year. 
E) its synodic period. 
A) its sidereal period. 
B) one day. 
C) one hour. 
D) one year. 
E) its synodic period.

Question 13

The Moon and visible planets are always within a few degrees of the ecliptic.

Accepted Answer

A) True 
 B)False

Question 14

In Brazil, the longest period of daylight and the start of summer occurs during the month of

Accepted Answer

A) December. 
B) March. 
C) September. 
D) June. 
A) December. 
B) March. 
C) September. 
D) June.

Question 15

The first-quarter Moon rises

Accepted Answer

A) at about noon. 
B) at sunset. 
C) at sunrise. 
D) at about midnight. 
E) during the second week of each calendar month. 
A) at about noon. 
B) at sunset. 
C) at sunrise. 
D) at about midnight. 
E) during the second week of each calendar month.

Question 16

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 orbit plane is not aligned with the Earth's orbit plane. 
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 orbit plane is not aligned with the Earth's orbit plane. 
D) its sometimes nighttime when the eclipse occurs. 
E) sometimes the Moon is too far away.

Question 17

What is the phase of the Moon shown in the following image

Accepted Answer

A) waxing gibbous 
B) third quarter 
C) waning gibbous 
D) first quarter 
A) waxing gibbous 
B) third quarter 
C) waning gibbous 
D) first quarter

Question 18

A(n) ____________________ eclipse occurs when the Moon is at its greatest distance from Earth and the Moon is new and at a node in its orbit.

Accepted Answer

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

Question 19

The time is 9 pm and the Moon is setting in the west. The Moon phase is third quarter.

Accepted Answer

A) True 
 B)False

Question 20

Earth is closest to the Sun during the month of January. Explain then why we do not experience our hottest weather in January in the northern hemisphere.

Accepted Answer

It is the tilt of the Earth on its rotat

The figure shows the __ and _ Moon phases.

The ____ Moon is visible above the western horizon a couple of hours before sunrise.

The ____ of the Moon is the period of time for the Moon to complete a cycle of the lunar phases and is approximately 29.5 days long.

An eclipse of the Moon (lunar eclipse) as seen from Earth, happens when

Which of the following is not visible during totality of a total solar eclipse

In the picture shown, in which hemisphere is the person located and the location of the Sun is above what geographic point on Earth

If the Moon's orbital plane was aligned with the celestial equator we could

The sidereal period of the Moon is

-Diagram 3-1 shows three approximate locations of the setting Sun along the western horizon. Which number indicates the location of the Sun at sunset on December 21 (winter Sun) for an observer at a latitude of 48° north of the equator Choose the best answer.

Relative to the stars, the Moon moves about ____ eastward in the sky each night.

The most distant point in the Moon's orbit is called _________________.

The time for the Moon to repeat its cycle of phases is equal to

The Moon and visible planets are always within a few degrees of the ecliptic.

In Brazil, the longest period of daylight and the start of summer occurs during the month of

The first-quarter Moon rises

Earth doesn't experience a solar eclipse every month because

What is the phase of the Moon shown in the following image

A(n) ____________________ eclipse occurs when the Moon is at its greatest distance from Earth and the Moon is new and at a node in its orbit.

The time is 9 pm and the Moon is setting in the west. The Moon phase is third quarter.

Earth is closest to the Sun during the month of January. Explain then why we do not experience our hottest weather in January in the northern hemisphere.

Here and Now

A Users Guide to the Sky

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 3: Cycles of the Sun and Moon

The figure shows the ______ and _____ Moon phases.

The ____ Moon is visible above the western horizon a couple of hours before sunrise.

The ____ of the Moon is the period of time for the Moon to complete a cycle of the lunar phases and is approximately 29.5 days long.

An eclipse of the Moon (lunar eclipse) as seen from Earth, happens when

Which of the following is not visible during totality of a total solar eclipse

In the picture shown, in which hemisphere is the person located and the location of the Sun is above what geographic point on Earth

If the Moon's orbital plane was aligned with the celestial equator we could

The sidereal period of the Moon is

-Diagram 3-1 shows three approximate locations of the setting Sun along the western horizon. Which number indicates the location of the Sun at sunset on December 21 (winter Sun) for an observer at a latitude of 48° north of the equator Choose the best answer.

Relative to the stars, the Moon moves about ____ eastward in the sky each night.

The most distant point in the Moon's orbit is called _________________.

The time for the Moon to repeat its cycle of phases is equal to

The Moon and visible planets are always within a few degrees of the ecliptic.

In Brazil, the longest period of daylight and the start of summer occurs during the month of

The first-quarter Moon rises

Earth doesn't experience a solar eclipse every month because

What is the phase of the Moon shown in the following image

A(n) ____________________ eclipse occurs when the Moon is at its greatest distance from Earth and the Moon is new and at a node in its orbit.

The time is 9 pm and the Moon is setting in the west. The Moon phase is third quarter.

Earth is closest to the Sun during the month of January. Explain then why we do not experience our hottest weather in January in the northern hemisphere.

Here and Now

A Users Guide to the Sky

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

The figure shows the __ and _ Moon phases.