Questions & Answers
Browse all 25 questions from the
Space Exploration Basics 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
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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 planet is closest to the Sun?
-
A
Mercury
-
B
Venus
-
C
Earth
-
D
Mars
4
What is the name of the galaxy that contains our Solar System?
-
A
Andromeda
-
B
Sombrero
-
C
Milky Way
-
D
Triangulum
5
Which planet is famous for its prominent ring system?
-
A
Uranus
-
B
Saturn
-
C
Jupiter
-
D
Neptune
6
Who was the first human to walk on the moon?
-
A
Yuri Gagarin
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B
Buzz Aldrin
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C
Neil Armstrong
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D
John Glenn
7
Which of these is a star at the center of our solar system?
-
A
Moon
-
B
Sun
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C
Jupiter
-
D
Earth
8
Which planet is known as the 'Morning Star' or 'Evening Star'?
-
A
Mars
-
B
Venus
-
C
Mercury
-
D
Saturn
9
What force keeps the planets in orbit around the Sun?
-
A
Magnetism
-
B
Friction
-
C
Gravity
-
D
Electricity
10
How many planets are in our solar system?
11
Which planet is tilted on its side?
-
A
Uranus
-
B
Neptune
-
C
Saturn
-
D
Mars
12
What is the Earth's only natural satellite?
-
A
Titan
-
B
Phobos
-
C
Moon
-
D
Europa
13
Which planet is known for having the 'Great Red Spot'?
-
A
Mars
-
B
Saturn
-
C
Jupiter
-
D
Venus
14
What do astronauts wear to survive in space?
-
A
Scuba gear
-
B
Winter coats
-
C
Spacesuits
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D
Raincoats
15
Which is the hottest planet in our solar system?
-
A
Mercury
-
B
Venus
-
C
Mars
-
D
Jupiter
16
Which celestial body was reclassified as a dwarf planet in 2006?
-
A
Ceres
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B
Pluto
-
C
Eris
-
D
Makemake
17
What covers about 70% of the Earth's surface?
-
A
Land
-
B
Ice
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C
Water
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D
Desert
18
Which planet is the eighth planet from the Sun?
-
A
Uranus
-
B
Neptune
-
C
Saturn
-
D
Jupiter
19
What is the name of the first artificial satellite launched into space?
-
A
Sputnik 1
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B
Apollo 11
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C
Hubble
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D
Voyager 1
20
Which planet has the most moons in our solar system?
-
A
Jupiter
-
B
Saturn
-
C
Uranus
-
D
Mars
21
What is the primary gas that makes up the Sun?
-
A
Oxygen
-
B
Hydrogen
-
C
Nitrogen
-
D
Carbon
22
Which planet is named after the Roman god of the sea?
-
A
Uranus
-
B
Jupiter
-
C
Neptune
-
D
Saturn
23
What is the name of the telescope that orbits Earth and takes high-quality space photos?
-
A
Kepler
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B
Hubble
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C
James Webb
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D
Galileo
24
Which planet is often called Earth's twin due to its similar size?
-
A
Mars
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B
Venus
-
C
Mercury
-
D
Neptune
25
What do we call a scientist who studies stars and planets?
-
A
Geologist
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B
Biologist
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C
Astronomer
-
D
Chemist