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The Planet Earth By The Numbers

Planet Earth is the best place in the universe to live – so far.   

Unlike mythical gods of both today and of past ages, the earth is not capricious, mean-spirited or spiteful. It just is. The fact that earth sustains us with a perfect atmosphere; oceans that support an incredible variety of life, a biosphere that does the same for birds and land animals (such as us), and a moon that provides us with the wonder of tidal seas is remarkable. And, all the more remarkable when you consider the following:

The surface of the earth has a rotation speed of 360 meters a second or 1,000 miles per hour at the earth’s equator.

The earth moves through space at 30 kilometers a second or 67,000 miles per hour.

Life on earth is only possible due to our star we call the sun.

The sun is so large that about 1,300,000 planet earths can fit inside of it.

Looking at the sun and moon from earth, they both look the same size. They are not.

Light takes 8 and a half minutes to reach the earth from the sun. Therefore, we would not know the sun had gone out until almost 9 minutes after the fact.

The moon is a bit more than one-fourth (27 percent) the size of Earth.

The boundary of our solar system is 143.73 billion KM from the Sun giving the Solar System a diameter of 287.46 billion KM.

Our solar system is located 26,500 light-years from the Milky Way Galaxy center, about halfway along a spiral arm. We orbit the center of the Milky Way about once every 240 million years.

The earth’s atmosphere is 480 KM deep but only the bottom 16 KM can be considered liveable for humans.

The earth was formed 4.5 billion years ago (give or take).

The earliest undisputed evidence of life on Earth dates from at least 3.5 billion years ago.

The first human-like being appeared around 7 million years ago.

Homo-sapiens, our genre appeared between 100,000 and 150,000 years ago.

99.9 percent of species that ever existed on earth have gone extinct including 23 0ther groups of humans.

There are an estimated 8.7 million species on the planet on this date. Humans are just one of them.

Water covers 75% of the earth’s surface.

The tallest mountain on earth is the island of Hawaii.

Planet Earth is one of a kind as far as we know. Let’s keep it safe and green for ALL its inhabitants.

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Image Post Credit: Bill Oxford, Unsplash

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Written by Michael Trigg

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