Earth

Our planet name is earth. Earth is only planet where found lives. It is approximated that the age of earth is 4500 million years. The aria of earth is 51,01,00,500 squire kilometers.  The circumference of earth is 40,234 kilometers. The radius of earth is 6,436 kilometers. The land aria of earth is 14,89,50,320 squire kilometers (29% of total aria). The water aria of earth is 36,11,48,200 squire kilometers (71% of total aria). Earth Encompasses the Sun in 365 days 5 hours 48 minutes 47 seconds. The earth needs 23 hours 56 minutes to Encompass on her own axis once. There are 5 oceans on earth; they are Pacific Ocean, Atlantic Ocean, Indian Ocean, North Ocean and South Ocean. Pacific Ocean is the biggest and deepest Ocean.  The Aria of Pacific Ocean is 16,60,00,000 squire kilometers. North Ocean is the smallest Ocean. Her aria is only 1,50,00,000 squire kilometers. The descriptions about the oceans are given bellow;

Ocean	Aria (SQ K.M)	Average depth	Highest Depth
Pacific Ocean	16,62,41,000	4,079 Meter	11,033 m.
Atlantic Ocean	8,65,57,000	3,926 Meter	9,300 m.
Indian Ocean	7,34,27,000	3,962 Meter	7,258 m.
North Ocean	94,85,000	1,280 Meter	5,112 m.
South Ocean	1,94,25,000		5,745 m.

There are 7 continents on earth; they are Asia, Africa, North America, South America, Europe, Australia and Antarctica. Largest continent of the earth is Asia. The aria of Asia is 4,44,93,000 squire kilometers. Smallest continent of the earth is Australia. The descriptions about the continents are given bellow;

Continents	Aria (sq k.m.)	Aria percentage	Country	U.N
			(Ind.)	member
Asia	4,44,93,000	29.50%	44	44
Africa	2,98,00,450	20.00%	53	53
North America	2,43,20,100	16.30%	23	23
South America	1,75,99,050	11.80%	12	12
Europe	1,05,30,750	6.50%	48	46
Australia	76,87,120	7%	14	14
Antarctica	1,52,04,500	8.90%	0	0

Total number of country is 230. Total independent countries are 195. South Sudan is last who got her freedom. Russia is the biggest and Vatican City is the smallest country. Hammerfest (Norway) is the southest city Pouta  Willam is the northest city of the world.  China is the most populated country all over the world.  The world population becomes 700 billion on 31 October, 2011