We know more today than ever before about our planet Earth and what’s going on around us.
Science is always continuing to connect the dots through Earth research, study, and experimentation.
As technology advances, we continue to learn and find more out about our planet Earth.
Here are some facts about our Earth.
Age: 4.6 billion years old.
Position: 3rd planet from the sun.
Size: 5th largest planet in our solar system.
Surface Area: 197 million square miles, about 70 percent of the Earth's surface is covered with water..
Diameter: The Earth has an average diameter of 12,742 kilometers. (7,926 miles)
Average Temperature: The temperature at the Earth's core is estimated to be between 5000 and 7000 degrees Celsius.
Length of Year: 365.25 days
Inclination of Axis: The Earth's axis has a tilt of about 23 ½ degrees. It is this tilt which causes the seasons.
Chemical Composition: The Earth is made mostly of iron, oxygen, silicon, magnesium, nickel and sulfur: 34.6% Iron, 29.5% Oxygen, 15.2% Silicon, 12.7% Magnesium, 2.4% Nickel, 1.9% Sulfur, 0.05% Titanium
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