Question 1

A(n) ____ is a set of beliefs that appears to be based on scientific ideas, but which fails to obey the most basic rules of science.

Accepted Answer

A)  theory 
B)  hypothesis 
C)  pseudoscience 
D)  allegory 
E)  scientific model 
A)  theory 
B)  hypothesis 
C)  pseudoscience 
D)  allegory 
E)  scientific model

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

Why are penumbral eclipses less obvious than partial eclipses?

Accepted Answer

A penumbral lunar eclipse occurs when th

Question 4

Assume you lived on the Moon and noticed the Earth high in the sky. From that location, how often would the Earth set below your horizon?

Accepted Answer

A)  every 24 hours 
B)  once a sidereal period (27.3 days) 
C)  once a synodic period (29.5 days) 
D)  every year 
E)  never 
A)  every 24 hours 
B)  once a sidereal period (27.3 days) 
C)  once a synodic period (29.5 days) 
D)  every year 
E)  never

Question 5

A dime is 1.8 cm in diameter. At what distance from your eye would you have to hold a dime so that it has the same angular diameter as the full Moon?

Accepted Answer

A)  2 m 
B)  2 cm 
C)  2 km 
D)  2 inches 
E)  2 ft 
A)  2 m 
B)  2 cm 
C)  2 km 
D)  2 inches 
E)  2 ft

Question 6

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 7

Typically, the new Moon's shadow _______ a solar eclipse

Accepted Answer

A)  passes north of Earth so as NOT to produce 
B)  passes south of Earth so as NOT to produce 
C)  passes either north or south of Earth so as NOT to produce 
D)  touches the Sun so as to produce 
E)  touches Earth so as to produce 
A)  passes north of Earth so as NOT to produce 
B)  passes south of Earth so as NOT to produce 
C)  passes either north or south of Earth so as NOT to produce 
D)  touches the Sun so as to produce 
E)  touches Earth so as to produce

Question 8

Total lunar eclipses always occur

Accepted Answer

A)  at the time of new Moon. 
B)  at the time of full Moon. 
C)  during either equinox. 
D)  during either solstice. 
E)  at the time that the Sun is directly overhead. 
A)  at the time of new Moon. 
B)  at the time of full Moon. 
C)  during either equinox. 
D)  during either solstice. 
E)  at the time that the Sun is directly overhead.

Question 9

The ____________________ period (or "month") of the Moon is the time required for one revolution of the Moon around Earth with respect to the stars.

Accepted Answer

The answer of The ____________________ period (or "month") of the...

Question 10

The Saros cycle

Accepted Answer

A)  was used in ancient times to predict eclipses. 
B)  is 18 years, 11   days long. 
C)  accounts for the tides seen on Earth. 
D)  was used in ancient times to predict eclipses and is 18 years and 11   days long, 
E)  None of the other choices are correct. 
A)  was used in ancient times to predict eclipses. 
B)  is 18 years, 11   days long. 
C)  accounts for the tides seen on Earth. 
D)  was used in ancient times to predict eclipses and is 18 years and 11   days long, 
E)  None of the other choices are correct.

Question 11

____ is the point in Earth's orbit where Earth is closest to the Sun.

Accepted Answer

A)  Aphelion 
B)  Perihelion 
C)  Precession 
D)  The winter solstice 
E)  a and d 
A)  Aphelion 
B)  Perihelion 
C)  Precession 
D)  The winter solstice 
E)  a and d

Question 12

An eclipse season is the period of time during which the

Accepted Answer

A)  Moon crosses a node in its orbit. 
B)  Sun crosses a node in the Moon's orbit. 
C)  line of nodes crosses the Moon's orbit. 
D)  Moon is new or full. 
E)  Moon is visible during the day. 
A)  Moon crosses a node in its orbit. 
B)  Sun crosses a node in the Moon's orbit. 
C)  line of nodes crosses the Moon's orbit. 
D)  Moon is new or full. 
E)  Moon is visible during the day.

Question 13

The __________ is the region of total shadow.

Accepted Answer

The answer of The __________ is the region of total...

Question 14

In China tonight the Moon phase is first quarter, so tonight for you the Moon phase is ______.

Accepted Answer

A)  waxing gibbous 
B)  first quarter 
C)  new 
D)  waxing crescent 
A)  waxing gibbous 
B)  first quarter 
C)  new 
D)  waxing crescent

A(n) ____ is a set of beliefs that appears to be based on scientific ideas, but which fails to obey the most basic rules of science.

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

Why are penumbral eclipses less obvious than partial eclipses?

Assume you lived on the Moon and noticed the Earth high in the sky. From that location, how often would the Earth set below your horizon?

A dime is 1.8 cm in diameter. At what distance from your eye would you have to hold a dime so that it has the same angular diameter as the full Moon?

The first-quarter Moon rises

Typically, the new Moon's shadow _______ a solar eclipse

Total lunar eclipses always occur

The ____________________ period (or "month") of the Moon is the time required for one revolution of the Moon around Earth with respect to the stars.

The Saros cycle

____ is the point in Earth's orbit where Earth is closest to the Sun.

An eclipse season is the period of time during which the

The __________ is the region of total shadow.

In China tonight the Moon phase is first quarter, so tonight for you the Moon phase is ______.

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

Origin of the Solar System and Extrasolar Planets

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

A(n) ____ is a set of beliefs that appears to be based on scientific ideas, but which fails to obey the most basic rules of science.

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

Why are penumbral eclipses less obvious than partial eclipses?

Assume you lived on the Moon and noticed the Earth high in the sky. From that location, how often would the Earth set below your horizon?

A dime is 1.8 cm in diameter. At what distance from your eye would you have to hold a dime so that it has the same angular diameter as the full Moon?

The first-quarter Moon rises

Typically, the new Moon's shadow _______ a solar eclipse

Total lunar eclipses always occur

The ____________________ period (or "month") of the Moon is the time required for one revolution of the Moon around Earth with respect to the stars.

The Saros cycle

____ is the point in Earth's orbit where Earth is closest to the Sun.

An eclipse season is the period of time during which the

The __________ is the region of total shadow.

In China tonight the Moon phase is first quarter, so tonight for you the Moon phase is ______.

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

Origin of the Solar System and Extrasolar Planets

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