Our solar system.

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

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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.
Fun Fact
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.
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Solar System
In 1969, the Allende Meteorite fell to Earth and scattered over Mexico.
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Solar System
Mars, known as the Red Planet, is home to the largest volcano in the solar system, Olympus Mons.
Fun Fact
Solar System
Using a telescope as the discovery tool, Uranus was the first planet to be discovered in the entire solar system. It was found in 1781.