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Solar System Basics Challenge

Astronomy

Test your knowledge on fundamental facts about the planets, stars, and other celestial bodies in our Solar System.

solar system planets space astronomy science facts

8 Questions Medium Ages 8+ Aug 3, 2026

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About this Study Set

This study set covers Astronomy through 8 practice questions. Test your knowledge on fundamental facts about the planets, stars, and other celestial bodies in our Solar System. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 8 questions from the Solar System Basics Challenge study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 How many planets are officially recognized in our Solar System?

A 7
B 8
C 9
D 10

2 What celestial body is at the center of our Solar System?

A Earth
B The Moon
C The Sun
D Jupiter

3 Which planet is the largest in our Solar System?

A Earth
B Saturn
C Jupiter
D Mars

4 Which planet is commonly known as the 'Red Planet'?

A Venus
B Mars
C Mercury
D Uranus

5 Which planet is famously known for its prominent system of rings?

A Jupiter
B Saturn
C Neptune
D Uranus

6 What is the name of Earth's only natural satellite?

A Phobos
B Deimos
C Europa
D The Moon

7 Which planet is closest to the Sun?

A Earth
B Venus
C Mercury
D Mars

8 What is the name of the galaxy our Solar System belongs to?

A Andromeda
B Triangulum
C Whirlpool
D Milky Way

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