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Astronomers, Night Sky & Constellations

Total questions: 58

Worksheet time: 47mins

Name
Class
Date
1.

Which astronomer first applied a telescope to astronomical observation?

a)
Ptolemy
b)
Galileo Galilei
c)
Tycho Brahe
d)
Copernicus
2.

Ancient Greeks believed the earth to be the center of the universe. What do we call this model?

a)
Ptolemic System
b)
Geocentric Universe
c)
Heliocentric Universe
d)
Copernican Model
3.
Ancient astronomers used 'epicycles' to explain...?
a)
Retrograde Motion
b)
Constellation Movement
c)
Moon's Phases
d)
Planetary Transits
4.

Tycho Brahe's biggest contribution to astronomy was ________________.

a)
Accurate Observations of the stars and planets
b)
His telescopic observations
c)
Heliocentric Universe
d)

His Silver/Brass Nose

5.

Astronomer Johannes Kepler ______________.

a)
Published Almagest
b)
Invented the first Radio Telescope
c)
Suggested elliptical orbits for the planets
d)
Was made head astronomer for the Church
6.
What problems did early astronomers face when trying to justify a geocentric model?
a)
Retrograde motion of planets farther out than the Earth
b)
Bodies in the night sky moved from horizon to horizon making people think the Sun was the center
c)
No observations of bodies in the night sky were observable to make any logical conclusions about celestial orbits
d)
The lack of evidence for stellar parallax
7.

Copernicus is attributed with coming up with what model of the solar system?

a)

geocentric

b)

heliocentric

c)

geo-heliocentric

8.

Who came up with three laws explaining planetary motion?

a)

Isaac Newton

b)

Galileo Galilei

c)

Tycho Brahe

d)

Johannes Kepler

9.

Why does the sun appear to move across the sky over the course of a day?

a)

The Earth is stationary and the sun orbits around it.

b)

The Sun is stationary and the Earth rotates upon its axis.

c)

The Sun is stationary and the Earth orbits around it.

d)

Both the Sun and the Earth are revolving around each other.

10.

Which astronomer first applied a telescope to astronomical observation?

a)
Ptolemy
b)
Galileo Galilei
c)
Tycho Brahe
d)
Copernicus
11.

A heliocentric view believes everything revolves around the ________.

a)

sun

b)

earth

c)

universe

d)

moon

12.

Which ancient Greek mathematician and astronomer calculated the circumference of Earth?

a)

Aristotle

b)

Aristarchus

c)

Eratosthenes

d)

Pythagoras

13.

This astronomer confirmed the heliocentric theory with his telescope and discovered four moons of Jupiter.

a)
Galileo
b)
Kepler
c)
Copernicus
d)
Aristotle
14.

Which 16th century Catholic church canon and astronomer developed the first detailed heliocentric model of the solar system?

a)

Newton

b)

Ptolemy

c)

Copernicus

d)

Galileo

15.

Which astronomer/mathematician believed that gravity and inertia keep the planets in orbit?

a)

Johannes Kepler

b)

Nicolaus Copernicus

c)

Galileo Galilei

d)

Isaac Newton

16.

Which of the following astronomers believed in a geocentric model of the solar system?

a)

Claudius Ptolemy

b)

Tycho Brahe

c)

Nicolaus Copernicus

d)

Galileo Galilei

17.

How is astronomy different from astrology?

a)

Astronomy is a science; astrology is not

b)

Astronomy is the study of the movements and relative positions of celestial bodies interpreted as having an influence on human affairs and the natural world.

c)

They are really the same thing and the words can be used interchangeably.

d)

Astrology is the the branch of science that deals with celestial objects, space, and the physical universe as a whole.

18.

This astronomer built his own observatory and recorded accurate astronomical observations for more than 20 years

a)

Galileo Galilei

b)
Tycho Brahe
c)
Hipparchus
d)
Isaac Newton
19.

Which of the following is NOT a constellation?

a)

Orion

b)

Ursa Major

c)

Andromeda

d)

Milky Way

20.

What is a meteor shower?

a)

A group of stars

b)

A stream of meteoroids entering Earth's atmosphere

c)

A type of planet

d)

A type of comet

21.

What is the purpose of using your hand at arm's length to estimate angles?

a)

To measure distance.

b)

To measure time.

c)

To estimate angles in the sky.

d)

To find the zenith.

22.

Which of the following night sky objects appears as a streak of light in the sky?

a)

Meteor showers

b)

Comets

c)

Planets

d)

Stars

23.

Which night sky object is a group of meteors that appear to radiate from a single point?

a)

Meteor showers

b)

Comets

c)

Planets

d)

Stars

24.

Which night sky object is known for its periodic appearance?

a)

Meteor showers

b)

Comets

c)

Planets

d)

Stars

25.

Which of the following is true about meteor showers?

a)

They occur when Earth passes through a comet's debris

b)

They are always visible

c)

They are planets

d)

They are stars

26.

Which constellation is also known as the Hunter?

a)

Orion

b)

Ursa Minor

c)

Lyra

d)

Draco

27.

Why would astronomers want to share the location of their discoveries with other astronomers?

a)
To hide their findings from competitors.
b)
To create confusion among other astronomers.
c)
To claim sole credit for discoveries.
d)
To collaborate, enhance research efficiency, and allow for cross-verification of findings.
28.

What types of objects are visible in the night sky with the unaided eye?

a)

Stars, planets, the Moon

b)

Constellations

c)

Satellites

d)

All of the above

29.

What types of night sky objects require a telescope (amateur or advanced) to see?

a)

Comets

b)

The Moon

c)

Distant galaxies, nebulae, black holes & exoplanets.

d)

The Sun

30.

What is the difference between stars and star clusters?

a)
Star clusters are made up of planets.
b)
Stars are found only in galaxies.
c)
Stars are individual celestial bodies; star clusters are groups of stars.
d)
Stars are larger than star clusters.
31.

What is the difference between asterisms and constellations?

a)
Asterisms are informal star patterns; constellations are official star groupings.
b)
Asterisms are official star groupings; constellations are informal patterns.
c)
Constellations are only visible in the Southern Hemisphere.
d)
Asterisms are the same as constellations.
32.

What is the Messier Catalogue, and why was it developed?

a)
A list of stars created by Galileo to track their movements.
b)
A catalog of comets compiled by Isaac Newton for navigation purposes.
c)
An inventory of planets developed by Johannes Kepler for astrological predictions.
d)

The Messier Catalogue is a list of astronomical objects created by Charles Messier to catalog non-comet celestial objects.

33.

Which planet is the brightest object in the night sky?

a)

Mercury

b)

Venus

c)

Mars

d)

Jupiter

34.

What are the two tails of a comet made of?

a)

Gas and dust

b)

Water and ice

c)

Rock and metal

d)

Plasma and energy

35.

What are shooting stars actually called?

a)

Meteors

b)

Comets

c)

Asteroids

d)

Satellites

36.

Which galaxy is the nearest large galaxy to the Milky Way?

a)

Andromeda Galaxy

b)

Whirlpool Galaxy

c)

Pinwheel Galaxy

d)

Sombrero Galaxy

37.

What are nebulae?

a)

Enormous clouds of gas

b)

Small celestial objects

c)

Tightly bound star clusters

d)

Dying stars

38.

Who developed a catalogue of 110 objects to help comet hunters?

a)

Charles Messier

b)

Edwin Hubble

c)

Galileo Galilei

d)

Isaac Newton

39.

What is the altitude angle for a star directly above you?

a)

0 degrees

b)

45 degrees

c)

90 degrees

d)

180 degrees

40.

What is the azimuth angle for a star due South of you?

a)

0 degrees

b)

45 degrees

c)

90 degrees

d)

180 degrees

41.

What are the coordinates for an object 30 degrees above the Southern horizon?

a)

30°:0°

b)

30°:90°

c)

30°:180°

d)

30°:270°

42.

What can astronomers do with altitude and azimuth coordinates?

a)

Pinpoint the positions of celestial objects

b)

Measure the distance between stars

c)

Predict meteor showers

d)

Study the composition of comets

43.

What did people use to observe the night sky before the invention of the telescope?

a)

Binoculars

b)

Telescopes

c)

Unaided eyes

d)

Microscopes

44.
A constellation is a group of visible ____ that form a pattern when viewed from Earth.  
a)
planets
b)
stars
c)
patterns
d)
creatures
45.
The stars we see in each constellation are very close to us.
a)
True
b)
False
46.
What constellation is this?
a)
Orion
b)
Taurus
c)
Canis Major
d)
Gemini
47.

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

a)
True
b)
False
48.

Polaris always points ______.

a)
East 
b)
West
c)
North
d)
South
49.
Constellations may be only visible during certain seasons due to the Earth’s orbit around the____.  
a)
Earth
b)
Mars
c)
Planets
d)
Sun
50.
Ursa Major is also called “Larger Bear” and is one of the largest constellations.  
a)
True
b)
False
51.
The term Zodiac refers to ...
a)
the light from Saturn's rings
b)
the head of the Celestial Empire
c)
a method for making astrological predictions
d)
a group of constellations lying near the ecliptic
52.

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

53.
The sky is divided into ____ constellations.
a)
11
b)
22
c)
44
d)
88
54.
What constellation has the Little Dipper as part of its pattern?
a)
Ursa Minor
b)
Ursa Major
c)
Polaris
d)
Andromeda
55.
Ursa Major (Larger Bear) has this asterism in its pattern 
a)
the Little Dipper
b)
the Big Dipper
c)
Orion
d)
The Crux
56.
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.
57.

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

a)

Year

b)

Month

c)

Day

d)

6 hours

58.

What does the term 'constellation' mean?

a)

sky animals

b)

star pictures

c)

grouping of stars

d)

star system

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