Tuesday 19 August 2014

Interesting Facts about Earth that you should know

Top Interesting Facts about Earth that you should know 

The Earth is not a sphere. Pole-to-pole diameter of earth is around 27 miles (42 km) less than the diameter at earth's Equator. 



70% of the earth surface is covered by water.


Water on Earth is 97% salted and only 3% is fresh. Off that 3%, 2% of water is in ice form found in ice sheets and glaciers and only 1% of the water is fresh which can be found in river, lakes and undergrounds.



Number of Days in a year is not 365 on earth. Actually number of days in a year are 365.2564 days. Extra .2564 days create an extra day in leap year which is the only reason that we have extra one day in the month of February every year that is divisible by 4 like 1998, 2004 etc. 




Earth is the third planet from the sun and the only known planet to support the life.



99% of earth's gold lies in its core. 



The temperature of the earth's core is hot as the surface of the sun. 5500 C/9900 F



Earth is the only planet in the solar system who has plate tectonics. Without plate tectonics, earth would be over heated like Venus.



Mostly, Earth is the composition of iron, oxygen and silicon which together comprise around 77% of earth's Mass. 



The estimated Weight of the earth is calculated around 5,980,000,000,000,000,000,000 tons. 



The Hottest temperature ever recorded on the surface of earth is 57.8 degree Celsius or 136 degree Fahrenheit in El Azizia, Libya.



The coolest temperature point ever recorded on the surface of the earth was -89.2 degree Celsius or -128.6 degree Fahrenheit at Antarctica's vostok station.  



90% of all volcanic activities are occurred in the oceans.



Asia continent is having 60% of the world 's population while covering 30% of the land area of the earth. 


  

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