Facts of Earth

EARTH

1.  Earth is the third planet from the Sun.                   
2. It is the fifth largest planet in the solar system.     
3. The surface of the earth is covered with 29% land and 71% water.                                                      
4. There are different gases in the earth's atmosphere.                                                                     
5.   They are Nitrogen,Oxygen, Argon, Carbon dioxide and Trace amounts of neon, helium, methane, krypton and hydrogen, as well as water vapour.                            
6. The layers of the earth are crust, mantle and core.                                                                    
7. Our planet's official scientific name is “Terra”.                                                             
8. Earth is tilted by approximately 23°.                                                                               
9. There would be no seasons if the earth is not tilted.                                                       
10. Earth rotates at a speed of 1000 miles/hour.                                                                   
11. Earth revolves around the sun at 67,000 miles/hour.                                                 
12. The shape of the earth is round said by Galileo and Greek scholar Pythagoras but even before that Aryabhata clearly wrote in his book about the shape of the earth.                                                                                                                                      
13. Moon is the earth's natural satellite.                                                                               
14. Earth is protected by ozone layer from harmful UV radiation of sun. Ozone layer is nothing but ozone(o3) gas.                                                                                  
15. 90% of the world's ice is present in Antarctica. when all the ice in Antarctica melts then the sea levels would rise by 70 metres.                                                        
16. Earth is a powerful magnet.