Earth Day is April 22 — think you know the planets? Test your knowledge of the solar system in this fun and engaging lifestyle quiz — and see how well you do!

Earth Facts for Kids and Adults. Photo by sankai from Getty Images Signature/Canva. ... Related: 25 Earth Day Facts—Plus, How To Help the Planet Today and Every Day. Advertisement.

QUICK FACTS ABOUT SATURN. How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth ...

Mars orbits at an average distance of 142 million miles (228 million km) from the sun. Its orbit is about 1.5 times the size of Earth's. Sunlight takes about 13 minutes to get to Mars, while it ...

“And it's definitely geared for kids, but boy, I think adults are going to find it sneaky interesting as well. And they can relate to their spacey kids.” The cover of "1,000 Facts About Space ...

How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...

Mars is one of the eight planets in our solar system. It has many similarities to Earth, but its distinct differences make it unsustainable for life. The planet continues to be extensively studied.

Here are some fun facts about Earth as we celebrate this planet we live on for Earth Day.The Earth’s diameter at the equator is 7,926 miles.