During a total solar eclipse the temperature can drop by 6 degrees Celsius (about 20 degrees Fahrenheit).
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.
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.
There are 1040 islands around Britain, one of which is the smallest island in the world: Bishop’s Rock.
All the planets in the solar system rotate anticlockwise, except Venus. It is the only planet that rotates clockwise.
