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astro quiz

Total questions: 79

Worksheet time: 40mins

Name
Class
Date
1.

A solar system contains ?

a)

a primarily planets

b)

large amounts of gas and dust but very few starts

c)

large amounts of gas, dust, and stars

d)

a single star and planets

e)

thousands of super clusters

2.

A galaxy contains ?

a)

primarily planets

b)

large amounts of gas and dust but very few stars

c)

large amounts of gas, dust, and stars

d)

a single star and planets

e)

thousand of super clusters

3.

how many centimeters are there in one kilometer ?

a)

100

b)

1000

c)

10,000

d)

100,000

e)

1*10^6

4.

scientific notation is used in science because

a)

it make it easy to write large or small numbers

b)

all astronomical distances are expressed in metric units

c)

it makes conversations between units easy

d)

all of the above

e)

none of the above

5.

the avg distance from earth to the sun is

a)

1 ly

b)

1 million km

c)

1 million miles

d)

1 billion km

e)

1 AU

6.

If light takes 8 minutes to reach earth from the sun and 7.3 hours to reach pluto, what is the approximate distance from the sun to pluto?

a)

55 AU

b)

7.3 AU

c)

7.3 ly

d)

0.6 ly

7.

the sun is

a)

a star

b)

1 AU from earth

c)

more than 100 times the diameter of earth

d)

all of the above

8.

If the nearest star is 4.2 light-years away then

a)

the star is 4.2 million AU away

b)

the light we see left the star 4.2 years ago

c)

the star must have formed 4.2 billion years ago

d)

the star must be very young

e)

the star must be very old

9.

the milky way galaxy

a)

contains about 100 stars

b)

is the largest known object to the universe

c)

is about 75,000 light years in diameter

d)

is located about 2.2 million light years from the sun

10.

Which of the following is the largest ?

a)

the diameter of earth

b)

the diameter of the moon

c)

the diameter of the sun

d)

the diameter of Jupiter

e)

the distance from earth to the sun

11.

Which arrangement is in order of increasing size, left to right ?

a)

planet, galaxy, star, solar system

b)

planet, star, galaxy, solar system

c)

planet, star, solar system, galaxy

d)

solar system, galaxy, star, planet

12.

the milky way galaxy

a)

contains about 100 billion stars

b)

is about 100 light years in diameter

c)

is the largest know object in the universe

d)

is located about 2.2 million light years from the sun

13.

What does the size of the image of a star in a photograph tell us about the star ?

a)

the diameter of the star

b)

the brightness of the star

c)

the mass of the star

d)

the temperature of the star

e)

the distance of the star

14.

Which sequence is correct when ordered by increasing size ?

a)

earth, solar system, milky way, galaxy clusters

b)

solar system, earth, galaxy clusters, milky way

c)

earth, milky way, solar system, galaxy clusters

d)

galaxy clusters, solar system, milky way, earth

15.

how is a planet different than a star ?

a)

planets are larger than stars

b)

planets reflect light while stars make their own light

c)

stars move faster in the sky than planets

d)

planets are brighter than stars

16.

if we say that object is 1000 light years away we see it

a)

as it looked 1000 years ago

b)

as it would appear to our ancestors 1000 years ago

c)

as it looked 1000 light years ago

d)

as it is right now, but it appears 1000 times dimmer

17.

The average distance from the earth to the sun is 1AU

a)

true

b)

false

18.

The nearest star is 1ly from the solar system

a)

true

b)

false

19.

A light year is the distance light travels in one year

a)

true

b)

false

20.

A kilometer contains 1 million meters

a)

true

b)

false

21.

the metric system is a decimal system

a)

true

b)

false

22.

The sun is a star in the milky way galaxy

a)

true

b)

false

23.

The local group contains the sun and only about two dozen other stars

a)

true

b)

false

24.

A super cluster refers to a large group of stars within the milky way

a)

true

b)

false

25.

A kilometer is a longer measure of distance than a mile

a)

true

b)

false

26.

Mars is farther from the sun than the earth

a)

true

b)

false

27.

In one way of naming stars, a ______ letter indicates its brightness relative to the other stars in the constellation

a)

English

b)

Arabic

c)

Greek

d)

Cyrillic

28.

A constellation must consist of a number of stars, all

a)

at the same distance from the earth

b)

at various different distances from the earth

c)

within a boundary in the same general angular area of the sky

d)

constellations are made of planets only

29.

Although the constellation originated in Greek and Middle Eastern mythology, the names are

a)

English

b)

German

c)

Russian

d)

Chinese

e)

Latin

30.

The names of stars usually come from

a)

ancient Arabic

b)

ancient English

c)

Latin

d)

Russian

e)

Chinese

31.

______ is the brightest star in the constellation of Ursa Majoris

a)

B Ursa Majoris

b)

Y Ursa Majoris

c)

a Ursa Majoris

d)

Ursa Majoris is the name of the brightest star

32.

Seen from the northern latitudes, the star Polaris

a)

is never above the horizon during the day

b)

always sets directly in the west

c)

is always above the northern horizon

d)

is never visible during winter

e)

is the brightest star in the sky

33.

An observer on Earth's equator would find

a)

Polaris directly overhead

b)

Polaris 40* above the northern horizon

c)

that the celestial equator coincides with the horizon

d)

the celestial equator passing directly overhead

e)

that the ecliptic coincides with the horizion

34.

The celestial equator is

a)

A) a line around the sky directly above earth's equator

b)

B) the dividing line between the north and south celestial hemispheres

c)

C) the path that the sun appears to follow on the celestial sphere as the earth orbits the sun

d)

a and b

e)

a and c

35.

the _____ is the point on the celestial sphere directly above any observer

a)

north celestial pole

b)

south celestial pole

c)

zenith

d)

celestial equator

e)

asterism

36.

An observer on the northern hemisphere watches the sky for several hours. Due to the motion of the earth, this observer notices that the stars near the north celestial pole appear to move

a)

counter clockwise

b)

clockwise

c)

from left to right

d)

from right to left

e)

nearly vertically upward

37.

You live at a latitude of 73*N. What is the angle between the northern horizon and the north celestial pole

a)

73

b)

27

c)

17

d)

5

38.

You live at a latitude of 39*S. What is the angle between the southern horizon and the south celestial pole

a)

45

b)

23.5

c)

39

d)

51

39.

If the north celestial pole appears on your horizon, what is your latitude

a)

90*N

b)

90*S

c)

0*

d)

45*N

40.

what is the approximate latitude of the observer in the diagram to the left

a)

90*N

b)

90*S

c)

50*N

d)

50*S

e)

0*

41.

what is the approximate latitude of the observer in the diagram to the left

a)

20*N

b)

20*S

c)

70*N

d)

70*S

e)

0*

42.

An observer in the northern hemisphere takes a time-exposure photograph of the night sky. If the illustration depicts the photograph taken by the observer, which direction was the camera pointing?

a)

straight north

b)

straight east

c)

straight south

d)

straight west

e)

straight up

43.

An observer in the northern hemisphere takes a time-exposure photograph of the night sky. If the illustration depicts the photograph taken by the observer, which direction was the camera pointing?

a)

straight north

b)

straight east

c)

straight south

d)

straight west

e)

straight up

44.

An observer in the southern hemisphere takes a time-exposure photograph of the night sky. If the illustration depicts the photograph taken by the observer, which direction was the camera pointing?

a)

straight north

b)

straight east

c)

straight south

d)

straight west

e)

straight up

45.

An observer in the southern hemisphere takes a time-exposure photograph of the night sky. If the illustration depicts the photograph taken by the observer, which direction was the camera pointing?

a)

straight north

b)

straight east

c)

straight south

d)

straight west

e)

straight up

46.

What causes summer here in the northern hemisphere? In the summer, at this point

a)

the earth is closer to the sun

b)

the earths northern hemisphere is tilted toward the sun

c)

the earths northern hemisphere is tilted away from the sun

47.

when its winter in the northern hemisphere, it is ____ in the southern hemisphere

a)

winter

b)

summer

c)

spring

d)

fall

48.

the sun moves ____ along the ecliptic among the stars

a)

eastward

b)

westward

c)

the sun does not appear to move

49.

which of the following causes seasons on the earth

a)

the earth being closer to the sun during our summer and farther during our winter

b)

the sun's varying light output

c)

the tilt of the earth's axis

d)

the eleven-year sunspot cycle

50.

The summer solstice is the point on the ecliptic where the sun

a)

crosses the celestial equator moving north

b)

crosses the celestial equator moving south

c)

is the farthest north of the celestial equator halting its northward movement

d)

is the farthest south of the celestial equator halting its southward movement

51.

As seen from the earth, the sun appears to move ____ along the ____ among the stars

a)

eastward, celestial equator

b)

westward, celestial equator

c)

eastward, ecliptic

d)

westward, ecliptic

52.

At the time of the winter solstice the sunlight is at a lower angle and thus is ____ thas (as) in the start of summer

a)

less intense

b)

more intense

c)

the same intensity

53.

Precession of the rotation axis of earth is caused by

a)

the force of gravity from the sun and moon on earth's equatorial bulge

b)

the force if gravity from the sun and jupiter on the earth's moon system

c)

the magnetic field of earth

d)

the impact of asteroids

54.

Precession of the rotation axis of earth takes ____ to complete a cycle

a)

24 hours

b)

one year

c)

260

d)

26,000

e)

260,000

55.

The elliptical shape of the earth's orbit varies with time and takes ____ to complete a cycle

a)

24 hours

b)

one year

c)

260 years

d)

26,000

e)

100,000

56.

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

a)

day and night

b)

seasonal temperature variations

c)

daily temperature variations

d)

ice ages

e)

the constellation

57.

Does the appearance of the constellation follow a seasonal pattern ?

a)

Yes, during a summer night many of the constellations you can see are different from those you can see on a winter night

b)

No, all of the constellations are on any clear night of the year

c)

Yes. As the year progresses, the constellations move to different areas of the sky.

d)

Yes, during a winter night all the constellations you can see are different from the ones that appear during a summer night.

58.

which of the following statements correctly describes the relationship between stars and constellations

a)

Every star is located in a constellation

b)

Only stars close to the ecliptic (the Earth's orbital plane) are located in constellations.

c)

Only the brighter stars are in constellations.Only the brighter stars are in constellations.

d)

Only those stars that were visible to the ancient Greeks are located in constellations.

59.

How much of the night sky is north of the celestial equator?

a)

Less than one-half, because of the tilt of the equator to the ecliptic plane.

b)

More than one-half, because of the precession of the poles.

c)

Exactly one-half.

d)

All of the night sky.

60.

If you point toward the zenith right now and then point there again 6 hours later, you will have pointed twice in the same direction relative to

a)

your horizon.

b)

the Sun

c)

the Moon.

d)

the fixed stars.

61.

If an observer walks north toward increasing latitude, the number of circumpolar stars would

a)

remain constant.

b)

decrease.

c)

increase.

d)

Unknown unless you also state the longitude of the observer.

62.

If you were standing on the Earth’s equator, which of the following points in the sky would pass through your zenith at some time during one full day (24 hours)?

a)

The north celestial pole

b)

The summer solstice

c)

The vernal equinox

d)

The ecliptic pole

63.

If the Sun passes directly overhead on at least one day per year, then

a)

you are within 23½° latitude of the equator.

b)

you are within 66½° latitude of the equator.

c)

you must be exactly on the equator

d)

you could be anywhere because this occurs at least once per year at any location on the Earth.

64.

In Brazil, the longest period of daylight occurs during the month of

a)

December.

b)

March.

c)

September.

d)

June.

65.

If you are standing at the Earth’s North Pole, which of the following would be located at the zenith?

a)

The nadir

b)

The star Vega

c)

The celestial equator

d)

The north celestial pole

66.

For stars in the same constellation they

a)

probably formed at the same time

b)

must be part of the same cluster of stars in space

c)

must have been discovered at about the same time

d)

may actually be very far away from each other

67.

During the month of June the north celestial pole points towards Polaris but during the month of December it points

a)

just north of Polaris.

b)

just south of Polaris.

c)

towards the star Vega.

d)

towards the star Thuban.

e)

still towards Polaris.

68.

If the Earth’s angular period of rotation doubled, but the period of revolution stayed the same

a)

the night would be twice as long.

b)

the night would be half as long.

c)

the year would be half as long.

d)

the year would be twice as long.

69.

The Greeks created the constellations

a)

true

b)

false

70.

The Greek letter designation conveys information about a star's location and brightness.

a)

true

b)

false

71.

The celestial equator always passes directly overhead

a)

true

b)

false

72.

The celestial equator always crosses the horizon at the east point and west point

a)

true

b)

false

73.

Navigators can find their latitude by measuring the angle from the northern horizon to the north celestial pole

a)

true

b)

false

74.

As earth rotates, circumpolar stars appear to move counterclockwise around the north celestial pole

a)

true

b)

false

75.

the phases of the moon are caused by its ___ and ____

a)

spherical shape ; orbital motion around the earth

b)

spherical shape; orbital motion around the sun

c)

cubical shape; orbital motion around the sun

d)

cubical shape; orbital motion around Earth

e)

spherical shape; orbital motion around the sun

76.

A waxing crescent moon is visible

a)

near the western horizon just after sunset

b)

near the eastern horizon just before sunrise

c)

near the eastern horizon just after sunset

d)

near the western horizon just before sunrise

77.

The first quarter moon rises

a)

at about noon

b)

at sunset

c)

at sunrise

d)

at about midnight

78.

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

a)

waning gibbous

b)

waxing gibbous

c)

waxing crescent

d)

waning crescent

79.

The moon moves about ____ eastward in the sky each night

a)

1*

b)

5*

c)

13*

d)

27.3*

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