## Dimensions and Scales

Actually one can not write about human beings in regards to the world without stating which scale one is referring to. We live in a relative world. In this discourse I would like first to present a little observation that amazed me when I read a book called "Cosmic Coincidences" by Gribbin & Rees. The size of a human is the geometrical average figure between the size of an atom and the size of a planet. The size of a planet is the geometrical average figure between an atom and the Universe. There was no other explanation, but I made the calculation. The ancient Greeks knew the mean proportion. It is a quadric equation: a is to x as x is to b; x = ab½.

The involution of the sizes to exponents of 10 makes it easy to make the calculation. The figure fits quite nicely as you can see in the calculations below.
The geometrical mean figure between an atom, 10 -7mm, and a planet, 10 11 mm, is 102 mm or 10 cm. The size of a human is over 100 cm. So the sum falls short by one decimal place. On the other hand the Earth is also smaller, about 1.3x10 9 m:m in diameter.

My calculations are based on the size of an atom a 0.000,000.1 m:m or 10-7 m:m. The Universe is set to 15 billions of light years. 1 light year is 3oo,ooo x 31536000 km. The Universe in m:m is about 1029 mm. x = (10-7 x 1029)½ = 1011 mm. = 100, 000 Km. It is the size of our bigger planets in the Solar system.

At any rate, I was surely delighted by the picture. The man is the center of the Universe! At least size wise!

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