Questions & Answers
Browse all 25 questions from the
Astronomy Fundamentals study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which planet is known as the 'Red Planet'?
-
A
Venus
-
B
Mars
-
C
Jupiter
-
D
Saturn
2
What is the largest planet in our solar system?
-
A
Earth
-
B
Neptune
-
C
Saturn
-
D
Jupiter
3
Which star is at the center of our solar system?
-
A
Polaris
-
B
The Sun
-
C
Sirius
-
D
Betelgeuse
4
What is the name of our galaxy?
-
A
Andromeda
-
B
Sombrero
-
C
Milky Way
-
D
Triangulum
5
Which planet is closest to the Sun?
-
A
Mercury
-
B
Venus
-
C
Earth
-
D
Mars
6
What celestial body orbits the Earth?
-
A
Mars
-
B
The Sun
-
C
The Moon
-
D
Venus
7
Which planet is famous for its prominent ring system?
-
A
Uranus
-
B
Saturn
-
C
Jupiter
-
D
Neptune
8
What do we call a scientist who studies stars and planets?
-
A
Geologist
-
B
Biologist
-
C
Astronomer
-
D
Chemist
9
How many planets are in our solar system?
10
Which planet is known as the 'Morning Star' or 'Evening Star'?
-
A
Venus
-
B
Mars
-
C
Mercury
-
D
Jupiter
11
What force keeps planets in orbit around the Sun?
-
A
Magnetism
-
B
Gravity
-
C
Friction
-
D
Inertia
12
What is the name of the first human-made satellite to orbit Earth?
-
A
Voyager 1
-
B
Apollo 11
-
C
Sputnik 1
-
D
Hubble
13
Which planet rotates on its side?
-
A
Saturn
-
B
Neptune
-
C
Uranus
-
D
Mars
14
What is the sun primarily composed of?
-
A
Liquid water
-
B
Solid iron
-
C
Hydrogen and helium
-
D
Oxygen and nitrogen
15
What is the name of the path a planet takes around the Sun?
-
A
Route
-
B
Orbit
-
C
Trajectory
-
D
Axis
16
Which planet is furthest from the Sun?
-
A
Neptune
-
B
Uranus
-
C
Saturn
-
D
Jupiter
17
What is a massive collection of gas, dust, and billions of stars called?
-
A
Planet
-
B
Asteroid
-
C
Galaxy
-
D
Nebula
18
What occurs when the Moon passes between the Earth and the Sun?
-
A
Lunar eclipse
-
B
Solar eclipse
-
C
Meteor shower
-
D
Supernova
19
Which planet has the most moons?
-
A
Earth
-
B
Mars
-
C
Saturn
-
D
Venus
20
What is the name of the galaxy closest to the Milky Way?
-
A
Whirlpool
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B
Andromeda
-
C
Pinwheel
-
D
Black Eye
21
What do we call a rock from space that hits the Earth's surface?
-
A
Meteor
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B
Meteorite
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C
Comet
-
D
Asteroid
22
What planet is known as Earth's 'sister planet' due to its similar size?
-
A
Mars
-
B
Mercury
-
C
Venus
-
D
Neptune
23
Which planet has a giant storm known as the Great Red Spot?
-
A
Saturn
-
B
Jupiter
-
C
Uranus
-
D
Mars
24
What is the Earth's main source of light and heat?
-
A
The Moon
-
B
The Sun
-
C
Mars
-
D
Polaris
25
How long does it take for Earth to complete one orbit around the Sun?
-
A
24 hours
-
B
30 days
-
C
365 days
-
D
10 years
