Astronomy Quiz Questions and Answers

📖 Astronomy ❓ 40 Questions

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1

What color is a red giant star?

▼

A

Yellow

B

Green

C

Blue

D

Red

2

What is the final stage of a sun-sized star?

▼

A

White dwarf

B

Red dwarf

C

Neutron star

D

Black hole

3

What does a star expand into before becoming a white dwarf?

▼

A

Red giant

B

Blue giant

C

Protostar

D

Supernova

4

Which of these is very hot and dense?

▼

A

Nebula

B

Asteroid

C

White dwarf

D

Red giant

5

What is the primary fuel for a young star?

▼

A

Carbon

B

Hydrogen

C

Oxygen

D

Iron

6

What force causes a star to collapse?

▼

A

Gravity

B

Friction

C

Wind

D

Magnetism

7

What is the Sun's expected final state?

▼

A

Supernova

B

Black hole

C

White dwarf

D

Quasar

8

Which stars are larger in physical size?

▼

A

Neutron stars

B

White dwarfs

C

Red giants

D

Planets

9

What remains after a white dwarf cools down?

▼

A

Black dwarf

B

Pulsar

C

Red giant

D

Supernova

10

Are red giants hotter than blue stars?

▼

A

Only sometimes

B

No

C

Yes

D

Depends on size

11

Where does fusion happen in a star?

▼

A

Atmosphere

B

Orbit

C

Core

D

Surface

12

What do stars shed during their death phase?

▼

A

Solid rocks

B

Planetary nebula

C

Water vapor

D

Oxygen gas

13

What element do stars stop fusing at?

▼

A

Iron

B

Gold

C

Hydrogen

D

Helium

14

Which type of star is the Earth's Sun?

▼

A

Red giant

B

Main sequence

C

Supergiant

D

White dwarf

15

What is the main component of a white dwarf?

▼

A

Liquid water

B

Frozen gas

C

Degenerate matter

D

Molten rock

16

How many stars are in the Milky Way?

▼

A

Only one

B

Hundreds of billions

C

One million

D

Ten thousand

17

What tool helps astronomers catalog stars?

▼

A

Microscope

B

Compass

C

Thermometer

D

Telescope

18

What do we call a list of astronomical objects?

▼

A

Diary

B

Recipe

C

Menu

D

Catalog

19

Which unit measures distance in space?

▼

A

Light-year

B

Kilogram

C

Decibel

D

Celsius

20

Why is data important in astronomy?

▼

A

To write books

B

To study patterns

C

To count planets

D

To name stars

21

What is a major challenge of big data?

▼

A

Color

B

Temperature

C

Weight

D

Storage

22

What do computers help astronomers do?

▼

A

Fly rockets

B

Build lenses

C

Process images

D

Cook food

23

What is the sky's appearance called?

▼

A

Flat map

B

Earth crust

C

Celestial sphere

D

Ocean floor

24

Are star catalogs digital today?

▼

A

No

B

Never

C

Yes

D

Only sometimes

25

What do we track about stars?

▼

A

Position

B

Taste

C

Texture

D

Voice

26

What is a 'survey' in astronomy?

▼

A

Building a base

B

Sending mail

C

Scanning the sky

D

Asking people

27

Do we know the location of all stars?

▼

A

Yes

B

Only in labs

C

Only near Earth

D

No

28

What do light curves measure?

▼

A

Distance to Earth

B

Star weight

C

Brightness over time

D

Star size

29

What is a pixel in an image?

▼

A

A telescope

B

A star

C

A planet

D

A tiny dot

30

Who uses star catalogs?

▼

A

Artists

B

Chefs

C

Farmers

D

Scientists

31

Where is the asteroid belt located?

▼

A

Behind Pluto

B

Between Mars and Jupiter

C

Near the Moon

D

Around the Sun

32

What are asteroids primarily made of?

▼

A

Rock and metal

B

Gas and ice

C

Wood and plastic

D

Liquid water

33

Are asteroids considered planets?

▼

A

Yes

B

Sometimes

C

Maybe

D

No

34

What is a large asteroid called?

▼

A

Dwarf planet

B

Meteor

C

Moon

D

Comet

35

What happens if an asteroid hits Earth?

▼

A

Flooding

B

Freezing

C

Explosion

D

Impact

36

Do asteroids orbit the Sun?

▼

A

No

B

Only at night

C

Yes

D

Only in summer

37

What is a 'near-Earth' object?

▼

A

A plane

B

A building

C

A cloud

D

Asteroid close to Earth

38

Are asteroids shaped like balls?

▼

A

Always

B

No

C

Yes

D

Sometimes

39

What is the biggest asteroid known?

▼

A

Mars

B

Venus

C

Moon

D

Ceres

40

What protects Earth from impacts?

▼

A

Clouds

B

Grass

C

Ocean

D

Atmosphere

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