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Space Health and Astronomy Facts

Space Science

Basic facts about the universe and space science for health-conscious learners

science astronomy health-education

12 Questions Easy Ages 5+ Nov 1, 2026

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About this Study Set

This study set covers Space Science through 12 practice questions. Basic facts about the universe and space science for health-conscious learners 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 Space Health and Astronomy Facts 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 Proxima Centauri
B The Sun
C Betelgeuse
D Polaris

4 How many moons does Earth have?

A Zero
B One
C Two
D Three

5 What galaxy is Earth located in?

A Andromeda
B Sombrero
C Milky Way
D Triangulum

6 Which planet is closest to the Sun?

A Venus
B Earth
C Mercury
D Mars

7 What is the hottest planet in our solar system?

A Venus
B Mercury
C Mars
D Jupiter

8 What force keeps planets in orbit around the Sun?

A Magnetism
B Gravity
C Friction
D Electricity

9 What do astronauts wear to breathe outside a spacecraft?

A Oxygen mask
B Scuba gear
C Spacesuit
D Gas mask

10 Which planet is famous for its large, visible ring system?

A Uranus
B Saturn
C Neptune
D Jupiter

11 What celestial body is considered a dwarf planet?

A Mars
B Pluto
C Venus
D Mercury

12 How long does it take for Earth to complete one full orbit around the Sun?

A 24 hours
B 30 days
C 365 days
D 10 years

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