Earth

Earth

Earth is the only known planet in the universe which can sustain life and is also our home.Earth has 1 moon which we call The Moon.Earth has an orbital period of  365.256.363.004 days and has a rotation period of 23 hours 56 minutes 4.1 seconds.The Earth is 4.54 billion years old.Earth also has a mass of 5.97237×10²⁴ kg .Earth has a surface gravity of 9.807 m/s and has an escape velocity of 11.186 km/s.The surface area of the Earth is 510072000 km^{2. The average surface temperature on Earth is 15 degrees celsius.}