Thursday, February 18, 2010

Do You Know Earth & Universe Episode 1 !!

Do You Know that :

1- Earth is not round; it is slightly pear-shaped. The North Pole radius is 44mm longer than the South Pole radius.

2- The ozone layer averages about 3 millimeters (1/8 inch) thick.

3- Summer on Uranus lasts for 21 years ,so does winter.

4- The sun is 330,330 times larger than the earth.

5- During a total solar eclipse the temperature can drop by 6 degrees Celsius (about 20 degrees Fahrenheit).

6- The tallest waterfalls in the world are Angel Falls in Venezuela. At 979 m (3,212 ft), they are 19 times taller than the Niagara Falls, or 3 times taller than the Empire State Building.

7- Although the Angel Falls are much taller than the Niagara Falls, the latter are much wider, and they both pour about the same amount of water over their edges – about 2,8 billion litres (748 million gallons) per second.

8- There are 1040 islands around Britain, one of which is the smallest island in the world: Bishop’s Rock.

9- All the planets in the solar system rotate anticlockwise, except Venus. It is the only planet that rotates clockwise.

10- Earth orbits the sun at an average speed of 29.79 km/s (18.51 miles/sec), or about 107 000 km/h (about 67,000 miles/hour).


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