It takes up to 1000 years for a stalactite to grow 1/2 inch.

What is the Equator?

The Equator is an imaginary line around the middle of the Earth. The equator divides the surface into the Northern Hemisphere and the Southern Hemisphere . The equator is 0 degrees latitude. The equator measures 24,902.4 miles (40,076.5 km).

Did you know?

Sound travels about 4 times faster in water than in air.

Diamonds are the hardest substance known to man.

There is a high and low tide because of our moon and the Sun.

The moon is 27% the size of the Earth.

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