Question 1

The lowest amount of solar energy per square meter is incident upon the surface of Earth in the northern hemisphere on or about

Accepted Answer

A)  December 21, the winter solstice. 
B)  March 21, the vernal equinox. 
C)  September 21, the autumnal equinox. 
D)  June 21, the summer solstice. 
A)  December 21, the winter solstice. 
B)  March 21, the vernal equinox. 
C)  September 21, the autumnal equinox. 
D)  June 21, the summer solstice.

Question 2

At the time of the winter solstice (the start of winter), the Sun is

Accepted Answer

A)  farthest south of the celestial equator. 
B)  farthest north of the celestial equator. 
C)  on the celestial equator moving north. 
D)  on the celestial equator moving south. 
A)  farthest south of the celestial equator. 
B)  farthest north of the celestial equator. 
C)  on the celestial equator moving north. 
D)  on the celestial equator moving south.

Question 3

During a total lunar eclipse, which of the following are true?
I. The photosphere of the Sun is obscured by the Moon.
II. The Moon is in Earth's umbra.
III. The Moon is new.
IV. The Moon is full.

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

Question 4

The Moon physically changes its shape throughout its orbit around the Earth giving us the phases of the Moon we see.

Accepted Answer

A) True 
 B)False

Question 5

Draw the aligned positions of the Sun, Moon, and Earth during a lunar eclipse. Draw the umbra and penumbra. Label all.

Accepted Answer

During a lunar eclipse, the aligned posi

Question 6

Earth's projected orbit on the sky is called the _____________.

Accepted Answer

The answer of Earth's projected orbit on the sky is...

Question 7

For a first-quarter Moon, approximately what is the angle eastward from the Sun to the Moon?

Accepted Answer

A)  30 ° 
B)  90 ° 
C)  180 ° 
D)  360 ° 
E)  0 ° 
A)  30 ° 
B)  90 ° 
C)  180 ° 
D)  360 ° 
E)  0 °

Question 8

Choose the correct word(s) that make the statement true. The stars appear to rise and set from east to west, but really the sky is not moving and Earth is rotating from (north, south, east, west) to (north, south, east, west).

Accepted Answer

The answer of Choose the correct word(s) that make the...

Question 9

Choose the correct word(s) that make the statement true. Say you live in the southern hemisphere and the date is June 22. For you, fall is ending. Therefore, the June 22nd date is the first day of (spring, summer, fall, winter), an event called the (vernal equinox, summer solstice, autumnal equinox, winter solstice).

Accepted Answer

winter, su

Question 10

The synodic 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)  None of the other choices are correct. 
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)  None of the other choices are correct.

Question 11

The ____ is 18 years and 11   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 12

In the Milankovitch theory, the elliptical shape of the Earth's orbit, its axis tilt, and axis precession vary with time. These combined at times to create ____ on Earth.

Accepted Answer

A)  day and night 
B)  seasonal temperature variations 
C)  daily temperature variations 
D)  ice ages 
E)  the constellations 
A)  day and night 
B)  seasonal temperature variations 
C)  daily temperature variations 
D)  ice ages 
E)  the constellations

Question 13

A solar eclipse that occurs when the Moon's umbra does not reach Earth's surface is called

Accepted Answer

A)  a total solar eclipse. 
B)  a partial solar eclipse. 
C)  an annular solar eclipse. 
D)  a penumbral solar eclipse. 
E)  an umbral solar eclipse. 
A)  a total solar eclipse. 
B)  a partial solar eclipse. 
C)  an annular solar eclipse. 
D)  a penumbral solar eclipse. 
E)  an umbral solar eclipse.

Question 14

The season is winter in the northern hemisphere. The Sun rises high in the sky for those living in the southern hemisphere.

Accepted Answer

A) True 
 B)False

Question 15

A solar eclipse that occurs when the Moon's umbra reaches Earth's surface is called

Accepted Answer

A)  a total solar eclipse. 
B)  a partial solar eclipse. 
C)  an annular solar eclipse. 
D)  a penumbral solar eclipse. 
E)  an umbral solar eclipse. 
A)  a total solar eclipse. 
B)  a partial solar eclipse. 
C)  an annular solar eclipse. 
D)  a penumbral solar eclipse. 
E)  an umbral solar eclipse.

Question 16

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 17

Why does the Moon glow coppery red during a total lunar eclipse?

Accepted Answer

The sunlight refract

Question 18

The highest atmospheric layer in the Sun is the _______

Accepted Answer

A)  photosphere 
B)  corona 
C)  chromosphere 
D)  prominence 
A)  photosphere 
B)  corona 
C)  chromosphere 
D)  prominence

Question 19

A marble has a diameter of 2 cm. At what distance would the marble have an angular diameter of 1 arc second?

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 20

A full Moon always occurs

Accepted Answer

A)  on the 15th of every month. 
B)  when the Moon is at right angles to the direction of the Sun. 
C)  when the Moon is closer to Sun than the Earth is. 
D)  when the Moon is directly opposite the position of the Sun. 
A)  on the 15th of every month. 
B)  when the Moon is at right angles to the direction of the Sun. 
C)  when the Moon is closer to Sun than the Earth is. 
D)  when the Moon is directly opposite the position of the Sun.

The lowest amount of solar energy per square meter is incident upon the surface of Earth in the northern hemisphere on or about

At the time of the winter solstice (the start of winter), the Sun is

During a total lunar eclipse, which of the following are true? I. The photosphere of the Sun is obscured by the Moon. II. The Moon is in Earth's umbra. III. The Moon is new. IV. The Moon is full.

The Moon physically changes its shape throughout its orbit around the Earth giving us the phases of the Moon we see.

Draw the aligned positions of the Sun, Moon, and Earth during a lunar eclipse. Draw the umbra and penumbra. Label all.

Earth's projected orbit on the sky is called the _____________.

For a first-quarter Moon, approximately what is the angle eastward from the Sun to the Moon?

Choose the correct word(s) that make the statement true. The stars appear to rise and set from east to west, but really the sky is not moving and Earth is rotating from (north, south, east, west) to (north, south, east, west).

The synodic period of the Moon is

The ____ is 18 years and 11 days long.

In the Milankovitch theory, the elliptical shape of the Earth's orbit, its axis tilt, and axis precession vary with time. These combined at times to create ____ on Earth.

A solar eclipse that occurs when the Moon's umbra does not reach Earth's surface is called

The season is winter in the northern hemisphere. The Sun rises high in the sky for those living in the southern hemisphere.

A solar eclipse that occurs when the Moon's umbra reaches Earth's surface is called

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

Why does the Moon glow coppery red during a total lunar eclipse?

The highest atmospheric layer in the Sun is the _______

A marble has a diameter of 2 cm. At what distance would the marble have an angular diameter of 1 arc second?

A full Moon always occurs

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

The lowest amount of solar energy per square meter is incident upon the surface of Earth in the northern hemisphere on or about

At the time of the winter solstice (the start of winter), the Sun is

During a total lunar eclipse, which of the following are true? I. The photosphere of the Sun is obscured by the Moon. II. The Moon is in Earth's umbra. III. The Moon is new. IV. The Moon is full.

The Moon physically changes its shape throughout its orbit around the Earth giving us the phases of the Moon we see.

Draw the aligned positions of the Sun, Moon, and Earth during a lunar eclipse. Draw the umbra and penumbra. Label all.

Earth's projected orbit on the sky is called the _____________.

For a first-quarter Moon, approximately what is the angle eastward from the Sun to the Moon?

Choose the correct word(s) that make the statement true. The stars appear to rise and set from east to west, but really the sky is not moving and Earth is rotating from (north, south, east, west) to (north, south, east, west).

The synodic period of the Moon is

The ____ is 18 years and 11 days long.

In the Milankovitch theory, the elliptical shape of the Earth's orbit, its axis tilt, and axis precession vary with time. These combined at times to create ____ on Earth.

A solar eclipse that occurs when the Moon's umbra does not reach Earth's surface is called

The season is winter in the northern hemisphere. The Sun rises high in the sky for those living in the southern hemisphere.

A solar eclipse that occurs when the Moon's umbra reaches Earth's surface is called

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

Why does the Moon glow coppery red during a total lunar eclipse?

The highest atmospheric layer in the Sun is the _______

A marble has a diameter of 2 cm. At what distance would the marble have an angular diameter of 1 arc second?

A full Moon always occurs

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