Earth

Atmosphere: Earth has an atmosphere made up of 78% nitrogen, 21% oxygen, and 1% other gases. It shields us from harmful radiation coming from the sun and protects us from meteoroids that burn away at the atmosphere before striking the surface.

Planet type: Terrestrial

Physical features: Earth has volcanoes, mountains, and valleys. The most unique feature of Earth is that water covers nearly 70% of the planet's surface.

Weather: Earth has complex weather systems that are carried by high winds aloft that can exceed 150 mph. Temperature swings on Earth can be very extreme in areas with dry climates, or very minimal in areas of humid climates. The warmest recorded temperature on Earth is 135.9 degrees Fahrenheit and the coldest is -128.6 degrees Fahrenheit.

Size: Radius is 3,959 miles.

Speed: 1 rotation around the sun is 365.25 days.

# of Moons: 1

Any other interesting facts:

• Earth is the only planet in our solar system with liquid water on the surface!

• Earth is the only planet that has only 1 moon!

• Earth is the fittest planet for life due to its hospitable temperatures and mix of chemicals!