Chap 01 10e Arny
1) Directly above Earth's equator lies the _________ in the sky.
A) North Celestial Pole
B) South Celestial Pole
C) Celestial equator
D) ecliptic
2) All celestial objects rise in the east and set in the west because
A) Earth is rotating from east to west.
B) Earth is rotating from west to east.
C) Earth is orbiting around the Sun from east to west.
D) the celestial sphere is rotating from east to west.
3) What is the ecliptic?
A) the line of the solar and lunar eclipses on the celestial sphere
B) the extension of Earth's path on the celestial sphere
C) the elliptical shape of Earth's orbit around the Sun
D) All of these choices are correct.
4) Which of the following statement(s) describes the ecliptic?
A) the path of the Moon on the celestial sphere
B) the extension of Earth's equator on the celestial sphere
C) the extension of Earth's path on the celestial sphere
D) the apparent path of the Sun across the celestial sphere
E) the extension of Earth's equator on the celestial sphere as well as the apparent path of
the Sun across the celestial sphere
1
,5) Suppose that Earth's spin would suddenly reverse direction, but the direction of Earth's
motion around the Sun was preserved. Which of the following changes would you expect to
observe?
A) The Sun would rise in the west and set in the east.
B) The stars would rise in the west and set in the east.
C) The planets would rise in the west and set in the east.
D) All of these choices would be observed.
E) None of these choices would be observed.
6) For someone in the Northern Hemisphere, stars rise in the east and set in the west. For
someone in the Southern Hemisphere
A) the situation is the same—stars also rise in the east and set in the west.
B) the opposite is true—stars rise in the west and set in the east.
7) The motion of the Sun relative to the stars is from_________ to_________.
A) east; west
B) west; east
8) Which of the following statements regarding the motion of objects on the celestial sphere is
true?
A) The Sun moves along the Celestial Equator.
B) The Moon moves along the Celestial Equator.
C) The stars move along the zodiac.
D) The stars move parallel to the Celestial Equator.
9) How much time is there between when a star rises and when it sets?
A) less than twelve hours
B) about twelve hours
C) more than twelve hours
D) It depends on the star.
10) The zodiac is tilted by 23.5 degrees relative to the Celestial Equator.
⊚ true
⊚ false
2
,11) There are constellations that are not visible for observers living in North America.
⊚ true
⊚ false
12) Although all known stars appear to rise from the eastern horizon, astronomers might
someday discover a star that will rise from the western horizon.
⊚ true
⊚ false
13) What is the celestial sphere?
A) an observatory dome
B) the Sun
C) Earth
D) the imaginary sphere of the sky, on which stars lie
14) For which of the following is the celestial sphere an accurate representation of reality?
A) the distance to the stars
B) the spherical bubble that surrounds Earth
C) the view of the stars from Earth
D) the motion of the Sun around Earth
E) the motion of the planets around Earth
15) Constellations are _________.
A) fixed patterns of stars on the celestial sphere
B) groups of stars that are close to each other in space
C) stars that neither rise nor set
D) stars representing the path of the Sun through the sky
E) animals that look like groupings of stars
16) What do we call a specific pattern of stars in the sky, often named for an animal?
A) a cluster
B) a star animal
C) a constellation
D) the ecliptic
3
, 17) Stars in a constellation _________.
A) are close to one another in space
B) all formed at about the same time
C) neither rise nor set
D) are in the same direction in the sky
E) None of these choices is correct.
18) Constellations rise in the _________ and set in the _________.
A) east; west
B) west; east
C) morning; evening
D) evening; morning
E) Constellations neither rise nor set.
19) Over the course of a single night, stars move overhead due to _________.
A) their motion around Earth
B) the rotation of Earth on its axis
C) the motion of the Sun around the galaxy
D) the rotation of the celestial sphere
E) the tilt of Earth’s axis
20) The celestial equator is always located _________.
A) running north to south, and directly overhead
B) in the northern sky, at an altitude equal to your latitude
C) running due east to due west, 90 degrees from the north Celestial Pole
D) running east to west, between the ecliptic and the North Celestial Pole
E) None of these choices is correct.
21) What is the Celestial Equator?
A) a band of constellations through which the planets and Sun appear to move
B) the line that the Sun traces across the celestial sphere
C) an imaginary line in the sky, directly above Earth’s equator
D) the cycle of lunar phases
4
1) Directly above Earth's equator lies the _________ in the sky.
A) North Celestial Pole
B) South Celestial Pole
C) Celestial equator
D) ecliptic
2) All celestial objects rise in the east and set in the west because
A) Earth is rotating from east to west.
B) Earth is rotating from west to east.
C) Earth is orbiting around the Sun from east to west.
D) the celestial sphere is rotating from east to west.
3) What is the ecliptic?
A) the line of the solar and lunar eclipses on the celestial sphere
B) the extension of Earth's path on the celestial sphere
C) the elliptical shape of Earth's orbit around the Sun
D) All of these choices are correct.
4) Which of the following statement(s) describes the ecliptic?
A) the path of the Moon on the celestial sphere
B) the extension of Earth's equator on the celestial sphere
C) the extension of Earth's path on the celestial sphere
D) the apparent path of the Sun across the celestial sphere
E) the extension of Earth's equator on the celestial sphere as well as the apparent path of
the Sun across the celestial sphere
1
,5) Suppose that Earth's spin would suddenly reverse direction, but the direction of Earth's
motion around the Sun was preserved. Which of the following changes would you expect to
observe?
A) The Sun would rise in the west and set in the east.
B) The stars would rise in the west and set in the east.
C) The planets would rise in the west and set in the east.
D) All of these choices would be observed.
E) None of these choices would be observed.
6) For someone in the Northern Hemisphere, stars rise in the east and set in the west. For
someone in the Southern Hemisphere
A) the situation is the same—stars also rise in the east and set in the west.
B) the opposite is true—stars rise in the west and set in the east.
7) The motion of the Sun relative to the stars is from_________ to_________.
A) east; west
B) west; east
8) Which of the following statements regarding the motion of objects on the celestial sphere is
true?
A) The Sun moves along the Celestial Equator.
B) The Moon moves along the Celestial Equator.
C) The stars move along the zodiac.
D) The stars move parallel to the Celestial Equator.
9) How much time is there between when a star rises and when it sets?
A) less than twelve hours
B) about twelve hours
C) more than twelve hours
D) It depends on the star.
10) The zodiac is tilted by 23.5 degrees relative to the Celestial Equator.
⊚ true
⊚ false
2
,11) There are constellations that are not visible for observers living in North America.
⊚ true
⊚ false
12) Although all known stars appear to rise from the eastern horizon, astronomers might
someday discover a star that will rise from the western horizon.
⊚ true
⊚ false
13) What is the celestial sphere?
A) an observatory dome
B) the Sun
C) Earth
D) the imaginary sphere of the sky, on which stars lie
14) For which of the following is the celestial sphere an accurate representation of reality?
A) the distance to the stars
B) the spherical bubble that surrounds Earth
C) the view of the stars from Earth
D) the motion of the Sun around Earth
E) the motion of the planets around Earth
15) Constellations are _________.
A) fixed patterns of stars on the celestial sphere
B) groups of stars that are close to each other in space
C) stars that neither rise nor set
D) stars representing the path of the Sun through the sky
E) animals that look like groupings of stars
16) What do we call a specific pattern of stars in the sky, often named for an animal?
A) a cluster
B) a star animal
C) a constellation
D) the ecliptic
3
, 17) Stars in a constellation _________.
A) are close to one another in space
B) all formed at about the same time
C) neither rise nor set
D) are in the same direction in the sky
E) None of these choices is correct.
18) Constellations rise in the _________ and set in the _________.
A) east; west
B) west; east
C) morning; evening
D) evening; morning
E) Constellations neither rise nor set.
19) Over the course of a single night, stars move overhead due to _________.
A) their motion around Earth
B) the rotation of Earth on its axis
C) the motion of the Sun around the galaxy
D) the rotation of the celestial sphere
E) the tilt of Earth’s axis
20) The celestial equator is always located _________.
A) running north to south, and directly overhead
B) in the northern sky, at an altitude equal to your latitude
C) running due east to due west, 90 degrees from the north Celestial Pole
D) running east to west, between the ecliptic and the North Celestial Pole
E) None of these choices is correct.
21) What is the Celestial Equator?
A) a band of constellations through which the planets and Sun appear to move
B) the line that the Sun traces across the celestial sphere
C) an imaginary line in the sky, directly above Earth’s equator
D) the cycle of lunar phases
4
