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Earth and Moon


Earth and Moon


92,900,000 miles from the sun

Its year is 365.2 days long.

Its day is 23 hrs 56 min 4 sec.

Its diameter is 7926.2 miles across

Its atmosphere is 78% Nitrogen & 21% Oxygen

Its temperature is about +135 degrees Fahrenheit to -130 degrees Fahrenheit

Planet Earth, three is a charm, or in our case, the third planet is charmed.  Earth orbits the sun at 67,000 miles per hour.  Earth is no where near as round as Venus, if fact, Earth is slightly pear shaped.  The inner core of the Earth is liquid iron heated up to about 11,000 degrees Fahrenheit.  The outside of the Earth cooled creating a crust.  The crust varies from 5 to 25 miles thick.   With a liquid center we would think the crust would be smooth on the inside.   In fact, an X-ray of the Earth interior revealed enormous upside down mountains.

Earth is about 318 times smaller than Jupiter, the largest of our solar system planets.  Earth is the only planet with just one moon.  But what about Pluto and its moon? (See Pluto)  Speaking of Pluto, a rock that ways 6 pounds on Pluto would weigh 100 pounds on Earth. 

The Earth's surface is approximately 196,949,970 square miles, of which, 57,308,757 square miles are land.  This leaves 139,641,213 square miles of surface area as water, approximately 75% of the Earth's surface.  The highest point on Earth is Mt. Everest at 29,028.5 feet.  Mt. Everest is still growing a quarter inch every year.  The lowest point, on land, is the Dead Sea, Asia, at 1,312 feet below sea level.  The land masses are in a constant state of movement and do crash into each other.  This causes our earthquakes and also creates our mountains.

In 1964 the Earth's population was approximately 3 billion people.   35 years later, 1999, the Earth's population is now estimated at 6 Billion human lives.  In both Europe and Asia, it is estimated, there are over 200 people per square mile.  And, the world's average is over 100 people per square mile.    Beyond that, there are more than 10,000,000  other life forms here sharing Earth.  In fact, scientists estimate there are 100 billion stars in the milky way.... Other scientists, estimate there are 10 million billion ants here on Earth.   This means, for every star you see in the sky, there are 10,000 ants on earth.   Remember, we must learn to share and get along.