Thursday, March 6, 2008

World's Famous Currents


The names of the famous oceans currents are given as under:


Currents of the Atlantic

1 Benguela current

2-South equatorial current

3-The Brazil current

4-North equatorial current

5-Gulf stream

6-Canaries current

7- Arctic current

8-The Labrador and Greenland current


Currents of the Pacific


1- The Peruvian or Humboldt current

2-New South Wales current

3-Japn current or Kuro Siwo

4-California current

5-Kurile current


Current of Indian Ocean

(South)

1-Antarctic current

2-West Australian current

3-Agulhas current

(North)

4-Somali current

Friday, February 29, 2008

Some facts about Earth


1- Size of the Earth:

Polar diameter 7899.83 miles

Equatorial diameter 7926.41 miles

Polar circumference 24859.82 miles

Equatorial circumference 24901.55 miles


2-Area of the earth:

Total surface area 19,69,40,000 sq.miles

Land area 5,75,06,000 sq.miles (30% of the total)

water are 13,94,34,000 sq.miles(70% of total)

Age of the earth 4.6 to 5 billion years

Density of the earth 5.52 (water has density of 1)


3-Distance of moon from earth:

Closest 2,21,456 miles

Farthest 2,52,711 miles

Average 2,38,875 miles


4-Distance of sun from Earth

Closest 91.4 million miles

Farthest 94.5 million miles

Average 92.9 million miles

Escape velocity 7 miles per second

Period of revolution of earth around sun 1 year(365 days, 6 hours, 9 minutes and 9.54 seconds)


5-Period of rotation of Earth on axis 4.09 seconds


6- Speed of Earth in orbit around the sun 8.5 miles per second


7- Volume of Earth 260 billion cubic miles

8-Weight of earth 6586 x 10 tons


9-Chemical make of the earth:

Oxygen 46.6%

Silicon 27.7%

Aluminium 8.1%

Iron 5.0%

Calcium 3.6%

Sodium 2.8%

Potassium2.6%

Magnesium 2.1%

Others 1.5%

Thursday, February 28, 2008

LENGTH OF COMMON BORDERS:

Pak Afgha border (Northwest)
known as Durand Line=2252 kms or 1400 miles

Pak-China Border (Northeast)
alongwith Northern areas=595 kms or 370 miles

Pak-Iran border (west)= 805 kms or 500 miles

Pak-India border (east)=1610 kms or 1000 miles


AREA:
Pakistan is thirty-fourth largest country in the world. It has area of 796,096 sq.kms or 307,374 sq.miles.The area of Azad Kashmir i.e. 13,297 sq.kilometres and northern areas i.e. 72,496 sq. kilometres has not been included in the total area of Pakistan.


LENGTH OF COASTLINE:
Pakistan has a coastline of 1100 kilometeres, which is divided into Sindh coast (330 km) and the Balochistan coast (about 770 km).


TERRITORIAL SEA LIMIT:
Pakistan's territorial sea limit is 200 nautical miles from the coastline.