Whether you need Earth facts for school or are just interested in learning more about our planet Earth here are some great facts about Earth.
? Earth is the third closest planet to our Sun. A common term for Earths relation to our Sun is the third rock from the Sun. The Earths average distance from the Sun is almost 150,000,000 Kms or almost 95,000,000 miles.
? The planet Earth is situated between planets Venus and Mars.
? Earth is the 5th largest planet in our solar system.
? Earth is currently the only planet known to harbour life in our solar system and the Universe. Scientists are very close though to finding life elsewhere even if it is a single cell organism.
? If you wrapped a tape measure around the Earth at its equator which is the center of the Earth you would find that the Earths circumference is 7926 miles.
? 70% of the Earth is covered with water. 97% being salt water and only 3% fresh water.
? Earth has 4 distinct seasons. The seasons dont happen in all areas. Areas around the equator experience consistent temperatures all year round. The northern hemisphere experiences the 4 seasons which include spring, summer, fall and winter. Seasons change when the Earths Axis changes during its rotation around the Sun.
? Earth has an atmosphere that consists of 77% Nitrogen, 21% Oxygen and traces of Argon, Carbon Dioxide and Water. Earths atmosphere protects everyone from harmful radiation from the Sun.
? The Earths atmosphere extends approximately 10,000 kms above the Earth.
? Earth has 1 moon or satellite. The moon orbits the Earth at a distance of 384,000 Kms. The moon is a terrestrial planet because of its rocky composition just like Mercury, Venus and Mars. The moon has no atmosphere but it does have water ice which can be found in some of the deeper craters.
? The Earth holds a magnetic field which is in place because of the combination of the spinning of the Earth and the molten nickel iron core of Earth. Solar winds help to shape our magnetic field which gives it a tear drop shape. Earths magnetic field is polarized just like a magnet.
? As of January 1, 2012 the Earths population of humans was over 7 billion. With the rate of growth currently the Earths population will reach 14 billion within 64 years.
? There are 196 different countries on Earth.
? The Earth is approximately 4.6 billion years old.
? The highest mountain on Earth is Mount Everest in China and Nepal which is over 29,000 feet high.
? The longest river on Earth is the Nile River in Africa. The Nile River is 4,160 miles long.
? Earth is made up of mostly Iron 32%, Oxygen 30%, Silicon 15% and Magnesium 14%.
? Earth flys through space at 66,700 miles per hour.
? Angel Falls in Venezuela are the highest water falls in the world at 3,212 feet or 979 meters.
These are just a few interesting facts about the earth. There are millions of other facts about the earth but these are a great start.