3 Questions
Which planet is the closest to the Sun?
Mercury
Which type of planet is mostly made of hydrogen and helium?
Gas giants
What is the name of the outermost planet in the Solar System?
Neptune
Study Notes
Planets in the Solar System
- The closest planet to the Sun is Mercury.
- Gas giants are mostly made of hydrogen and helium.
- The outermost planet in the Solar System is Neptune.
Test your knowledge about the eight planets in our Solar System and their characteristics in this quiz. Learn about the differences between the terrestrial, gas, and ice giants planets and their unique features.
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