Fact #77

At Brennender Berg (“Burning Mountain”) in Germany, underground coal has been on fire since 1688.

Fact #76

The oldest known continuously burning fire in the world is below Mount Wingen (popularly called the “Burning Mountain”) in Australia’s Burning Mountain Nature Reserve. The underground coal fire exists at a depth of 30 meters and has been burning continuously since the last 6,000 years. The fire is moving south at the rate of 1 meter per year.

Fact #47

In Gulliver’s Travels, Jonathan Swift described the two moons of Mars, Phobos and Deimos, giving their exact size and speeds of rotation. He did this more than 100 years before either moon was discovered!

Fact #28

The Great Pyramid at Giza in Egypt holds a constant temperature of 68 degrees Fahrenheit.

Fact #20

Pumice is the only rock that floats in water.

Fact #7

The planet Venus does not tilt, so consequently, it has no seasons. It is the only planet that rotates clock-wise.

Fact #2

It rains diamonds on Saturn and Jupiter. The biggest “rain diamonds” would likely be about a centimeter in diameter, according to scientists.