Jellyfish have been on Earth for over 650 million years, before sharks and dinosaurs.
Sharks have survived on earth for about 400 million years.
There are more than 50,000 earthquakes throughout the world every year.
On Venus, the Sun rises in the west and sets in the east.
The Earth is about 4.5 billion years old.
A space vehicle must move at a rate of at least 7 miles per second to escape Earth's gravitational pull.
All the coal, oil, gas, and wood on Earth would only keep the Sun burning for a few days.
The Amazon rainforest produces more than 20% the world's oxygen supply.
The Dead Sea has been sinking for last several years.
There are more insects in one square mile of rural land than there are human beings on the entire earth.
The Sun contains 99.8 percent of the total mass of the solar system.
The meaning of Siberia is "sleeping land."
The Sun is approximately 149 million kilometers from the earth.
Approximately 70 percent of the Earth is covered with water. Only 1 percent of the water is drinkable.
The world's highest capital is La Paz, which is the capital of Bolivia.
The Pacific Ocean covers 28% of the Earth's surface.
The oceans of the world would rise about 60 meters if Antarctica's ice sheets melted.
Of all known forms of animals life ever to inhabit the Earth, only about 10 percent still exist today.
One Neptune year lasts 165 Earth years.
An earthquake in 1811 caused parts of the Mississippi River to flow backwards.
A galactic year is 250 million Earth-years.
Copper is the second most used metal in the world.
Pigeons and hummingbirds have tiny magnetic particles in their heads that are used for navigation.
The Atlantic Ocean is saltier than the Pacific Ocean.
Of the twenty-five highest mountains on Earth, nineteen are in the Himalayas.
The deepest point on the Earth's surface is in the Pacific Ocean located in the Marianas trench.
Russia is the world's largest country with an area of over 17 million square kilometers.
A neutron star is the strongest magnet in the universe.
A pulsar is a small star made up of densely packed neutrons.
A volcano has enough power to shoot ash as high as 50 km into the atmosphere.
About 27 tons of dust rains down on the earth each day from space.
Finland is also known as "the land of of the thousand lakes".
It is impossible for a solar eclipse to last more than 8 minutes.
If you were standing on Mercury, the Sun would appear 2.5 times larger than it appears from Earth.
The Earth travels through space at 660,000 miles per hour.
Each day the sun causes about one trillion tons of water to evaporate.
If all the salt were to be extracted from the oceans, there would be enough salt to cover all the continents five feet deep.
Aluminum forms one-twelfth of the Earth's crust.
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