Solar System Fun Facts

Discover fascinating solar system fun facts and intrigue yourself and your peers about our universe.

What do you know about the Sun? the Moon? Earth? Mars? Pluto? Neptune? Discover some amazing fun facts with our list that our experts gathered for you.

Solar System Fun Facts

Fun Fact

Solar System

According to NASA, the sun is made of gas: about 91% hydrogen and 8.9% helium.

Fun Fact

Solar System

Mercury is the closest planet to the sun and is the smallest planet in the solar system.

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Solar System

The earth is protected by its atmosphere from solar radiation. The ozone layer is, in fact, a filter from the highly hazardous ultraviolet radiation (UVR) coming from the sun.

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Solar System

Every planet in the solar system is named after a god, except planet earth.

Fun Fact

Solar System

The sun comprises about 91% hydrogen and 8.9% helium, while Jupiter is made up of helium and hydrogen.

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Solar System

Pluto, once the ninth planet in the solar system, was demoted to dwarf planet status in 2006.

Fun Fact

Solar System

Earth is the only planet known to harbor life in the universe, and its habitability is traced to liquid water.