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Astronomy; Celestial Sphere Exam

Total questions: 60

Worksheet time: 2hrs 33mins

Name
Class
Date
1.
The Celestial Sphere spins around two points in the sky known as the.....
a)
North and South Poles.
b)
Celestial North and Celestial South Poles.
c)
East and West Points of Light.
d)
Arctic and Antarctic Points.
2.

An imaginary dome of the sky onto which all celestial objects such as stars, moons and planets can be plotted.

a)

Sun

b)

Celestial Sphere

c)

Apparent Motion

d)

Real Motion

3.

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)

An imaginary line running north-south through the zenith

4.
What is the name of the star closest to the Celestial North Pole?
a)
Rigel
b)
Vega
c)
Polaris
d)
Orion
5.

How much of the celestial sphere can an observer on Earth see at one time?

a)

less than half

b)

exactly half

c)

more than half

6.

What is the Sun's apparent path through the celestial sphere called?

a)

Meridian

b)

Declination

c)

Ecliptic

d)

Right Ascension

7.
The Celestial Sphere's coordinates are related to what Earth system of coordinates?
a)
Arctic & Antarctic Circles
b)
Longitude & Latitude
c)
Tropics of Capricorn and Cancer
d)
Sonar systems
8.
What are the units for right ascension?
a)
degrees
b)
hours
c)
arc milliseconds
d)
kilometers
9.

Mythical Zodiac figures, which are associated with peoples horoscopes, are where in the sky?

a)

they exist all across the whole sky, from north to south

b)

they all have the North star as a common star in each of their constellations

c)

in the north hemisphere and can only be observed if north of the equator

d)

along the same band across the sky that the sun, moon and planets travel.

10.

The 88 official patterns created by stars are known as ---

a)

Asterisms

b)

Galaxy

c)

Constellations

d)

Zenith

11.
Why can't we see constellations during the day?
a)
They move
b)

They are not there

c)
The sun is too bright
d)
They change shape
12.

What fraction of the sky can be seen from the North Pole?

a)

One-half

b)

Two-thirds

c)

Three-quarters

d)

One-quarter

13.

The celestial sphere turns once around each day because

a)

the planet on which we live is rotating.

b)

the Earth is going around the Sun.

c)

the phases of the Moon.

d)

precession.

14.
Early astronomers used a sextant to measure a celestial object's...
a)
altitude
b)
azimuth
c)
latitude
d)
longitude
15.

How long does it take for the celestial sphere to rotate once?

a)

Year

b)

Month

c)

Day

d)

6 hours

16.

Which constellation was made after Callisto was turned into a bear and was killed by her son?

a)

Little Dipper

b)

Scorpius

c)

Cassiopeia

d)

Leo

17.

Which of these is not a zodiac sign?

a)

Aquarius

b)

Cancer

c)

Virgo

d)

Pegasus

18.

Why does Polaris not seem to move during the night?

a)

Because it is located directly above the North Pole

b)

Because it is fixed in the sky

c)

Because Ursa Minor does not move

d)

Because it revolves around the Sun with Earth

19.

Constellations that are visible year round (they do not rise or set), are known as:

a)

Ecliptical

b)

Celestial

c)

Circumpolar

d)

Seasonal

20.

What is the declination of polaris?

a)

0 deg

b)

90 deg

c)

45 deg

d)

15 deg

21.

The ecliptic crosses the celestial equator on what what dates?

a)

Equinoxes

b)

Solstices

c)

Never

d)

Halloween and Flag Day

22.
The Celestial Sphere spins around two points in the sky known as the.....
a)
North and South Poles.
b)
Celestial North and Celestial South Poles.
c)
East and West Points of Light.
d)
Arctic and Antarctic Points.
23.
The Celestial Sphere's coordinates are related to what Earth system of coordinates?
a)
Arctic & Antarctic Circles
b)
Longitude & Latitude
c)
Tropics of Capricorn and Cancer
d)
Sonar systems
24.
What the celestial equivalent of "latitude?" 
a)
Inclination
b)
Left Ascension
c)
Right Ascension
d)
Declination
25.
What the celestial equivalent of "longitude?" 
a)
Inclination
b)
Left Ascension
c)
Right Ascension
d)
Declination
26.
Each hour of "right ascension" is divided into...
a)
minutes and seconds.
b)
degrees.
c)
arc degrees.
d)
milliseconds.
27.

0 hours right ascension goes through the constellation...

a)
Orion.
b)
Pisces.
c)
Gemini.
d)
Leo.
28.

Match the term to the correct spot

a)

Winter Solstice

b)

Summer Solstice

c)

South Celestial Pole

d)

Vernal Equinox

e)

North Celestial Pole

f)

Autumnal Equinox

1
2
3
4
5
6
1)
2)
3)
4)
5)
6)
29.

Match the term to the correct spot

a)

Declination

b)

Right Ascension

c)

Ecliptic

d)

Celestial Equator

1
2
3
4
1)
2)
3)
4)
30.

Vernal equinox is also called the

a)

Spring equinox

b)

Fall equinox

31.

Autumnal equinox is also called the

a)

Spring equinox

b)

Fall equinox

32.

When is the sun the highest in the sky

a)

Summer Solstice

b)

Vernal Equinox

c)

Autumnal Equinox

d)

Winter Solstice

33.

When is the sun the lowest in the sky

a)

Summer Solstice

b)

Vernal Equinox

c)

Autumnal Equinox

d)

Winter Solstice

34.

Which star is found near 2hr, +40 degrees?

a)

G

b)

C

c)

D

d)

E

35.

What is the approximate coordinates for star G?

​ (a)   hours, ​ (b)   degrees

Choose from the below words
3
-40
4
5
40
-30
36.

Name the point directly above an observers head

a)

North Celestial Pole

b)

Nadir

c)

Zenith

d)

Polaris

37.

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)

An imaginary line running north-south through the zenith

38.
How long does it take a star to get back to the same position in the sky it was the night before?
a)
24 hours exactly
b)
24 hours and 4 minutes
c)
23 hours 30 minutes
d)
23 hours 56 minutes
39.

Which statement correctly describes the rising and setting of the Sun？

a)

the Sun rises in the east and sets in the west

b)

the Sun rises in the west and sets in the east

c)

the Sun rises in the north and sets in the south

d)

the Sun rises in the west and sets in the north

40.

An imaginary dome of the sky onto which all celestial objects such as stars, moons and planets can be plotted.

a)

Sun

b)

Celestial Sphere

c)

Apparent Motion

d)

Real Motion

41.

What are constellations used for in modern astronomy?

a)

Telling the future

b)

Naming all terrain vehicles

c)

Retelling mythological stories

d)

Locating objects, generally, in the sky

42.

What name is of the constellations that the ecliptic passes through?

a)

Horoscopes

b)

Constellations

c)

Array of constellations

d)

Zodiac

43.

Philadelphia, PA, has a latitude of 40 degrees N. What is the altitude of Polaris in this city?

a)

90 degrees

b)

73.5 degrees

c)

40 degrees

d)

50 degrees

44.

People in the Northern Hemisphere see the same constellations as the people in the Southern Hemisphere.

a)

True

b)

False

45.
The stars we see in each constellation are very close to us.
a)
True
b)
False
46.

The brightest star in the night sky is...

a)

Polaris (North Star)

b)

Sirius

c)

Betelgeuse

d)

Bellatrix

47.

Constellations are more visible at night.

a)

True

b)

False

48.

You're out at night introducing your friend to the constellations visible in Illinois. They ask you about the constellation in the diagram. What would you call this?

a)

Orion

b)

Ursa Major

c)

Ursa Minor

d)

Taurus

e)

Gemini

49.

You can see different constellations in the night sky during the year as the Earth revolves around the Sun, certain stars are visible. At other points in the year, when the Earth is on the other side of the Sun, we can see other stars.

a)

True

b)

False

50.

The brightest star in the sky lies in which constellation?

a)

Canis Major

b)

Ursa Major

c)

Centaurus

d)

Libra

51.

What is the brightest star in the night sky?

a)

Vega

b)

Rigel

c)

Sirius

d)

Alnitak

52.

The heads of the twins are bright stars. What are the names fo the two twins, also the names of their head-stars?

a)

Eng and Chang

b)

Romulus and Remus

c)

Castor and Pollux

d)

Mary Kate and Ashley

53.

Name that constellation!


Hint: friend of Orion

a)

Ursa major

b)

Ursa minor

c)

Canis major

d)

Canis minor

54.

Name that constellation!


Hint: toughest mythical beast

a)

Serpentis

b)

Draco

c)

Scorpius

d)

Andromeda

55.

Name that constellation!


Hint: It's a really BIG one.

a)

Ursa Minor

b)

Ursa major

c)

Capricornus

d)

Canis major

56.

Name that constellation!


Hint: What's a sea goat?

a)

Triangulum

b)

Capricornus

c)

Andromeda

d)

Leo

57.

Name that constellation!


Hint: more than one

a)

Pisces

b)

Capricornus

c)

Orion

d)

Gemini

58.

Name that constellation!


Hint: Is she resting?

a)

Andromeda

b)

Sagittarius

c)

Aquarius

d)

Cassiopeia

59.

Name that constellation!


Hint: seems a little fishy

a)

Pisces

b)

Capricornus

c)

Sagittarius

d)

Aquarius

60.

Name that constellation!


Hint: Orion's other friend

a)

Bonkus, the club

b)

Sagitta, the arrow

c)

Capricornus minor, the little goat

d)

Canis minor, the little dog

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