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Astronomy Essentials

Astronomy

A collection of foundational facts about our solar system and the universe.

space science education

12 Questions Easy Ages 5+ Apr 19, 2026

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About this Study Set

This study set covers Astronomy through 12 practice questions. A collection of foundational facts about our solar system and the universe. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 12 questions from the Astronomy Essentials 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 Mars
B Venus
C Jupiter
D Saturn

2 What is the largest planet in our solar system?

A Earth
B Neptune
C Jupiter
D Saturn

3 Which star is at the center of our solar system?

A Proxima Centauri
B The Sun
C Polaris
D Sirius

4 How many planets are in our solar system?

A 7
B 8
C 9
D 10

5 What is the name of the galaxy that contains our Solar System?

A Andromeda
B Sombrero
C Milky Way
D Whirlpool

6 Which planet is famous for its prominent ring system?

A Mars
B Saturn
C Uranus
D Mercury

7 What object orbits the Earth?

A The Sun
B The Moon
C Mars
D Jupiter

8 Which planet is closest to the Sun?

A Venus
B Earth
C Mercury
D Mars

9 What do we call a scientist who studies stars and planets?

A Biologist
B Geologist
C Astronomer
D Chemist

10 Which phase of the Moon occurs when it is completely dark from Earth?

A Full Moon
B New Moon
C Half Moon
D Crescent

11 What force keeps the planets in orbit around the Sun?

A Magnetism
B Gravity
C Friction
D Electricity

12 Which planet is often called Earth's 'sister planet' due to its similar size?

A Venus
B Jupiter
C Mars
D Neptune

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