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The Moon and its effects on Earth?

We have seen and learned, the Moon is the satellite of the Earth, his fellow servant, a faithful contributor. It is essential to the Earth. In its elliptical path, the Earth still not far from her at a perfect distance: The Moon. Is it so important?

The "near" perfect

This question is not without interest. If you had to choose a "close" to Earth, you will not find better than the moon. Its diameter exceeds slightly quarter that of Earth. But when compared with other moons in our solar system, our moon is unusually large in proportion to its host planet. This is not a coincidence.

First, the moon is the main cause of tides, which I will discuss below, which play a vital role in the ecological balance of the planet. Second, it allows the axis of rotation of the Earth to remain stable. Without the moon "tailored", our planet reeling wobbling like a top, and could, so to speak, switch or turn! The resulting changes in terms of climate, tidal or other areas would be catastrophic. Note that the Moon allows our planet to remain stable! If it varied from a few centimeters a year, the Earth would not have this stability that we know.

stabilizer!

Also related to the claims of some on the distance of the moon. The axis of rotation of 23 degrees terrede no longer in place, and as mentioned above the consequences would be catastrophic. Its gravitational attraction stabilizes the Earth's axis relative to the plane of its orbit around the sun. According to the journal Science, with no moon, the inclination of this axis would range over thousands of years, "by about 0 degrees to about 85 degrees. Imagine what would happen if the axis of the earth was not tilted. Seasons, so nice, would not exist, and the rains are insufficient. In addition, temperatures may experience extreme we would be fatal. "The Earth is undoubtedly its climate stability in the presence of the Moon," says astronomer Jacques Laskar. Our moon is , the greater in proportion than the moons of giant planets, which allows it to fulfill its stabilizing role

Other important roles.

Since antiquity, humans moon marvel, inspiring poets and musicians. Thus, a Hebrew poet of antiquity has been described as "firmly established to time indefinite, and as a faithful witness in the cloudy skies.

One of the most notable effects of the moon affect life on Earth is the tides. The nearest star Earth is the moon, which exerts an undeniable influence on our planet, its gravitational pull in some places causing a tidal range of over 15 meters
These movements ebb and flow, due to the gravitational attraction of the moon are considered essential to the existence of ocean currents which, in turn, exert a decisive influence on climate. Earth and Moon are interdependent of each other, so it is unthinkable that the moon decides to leave his friend the Earth, and fortunately, since our lives depend on it completely.

Voisine faithful

The moon travels invariably its orbit around the earth in 27 days 7 hours and 43 minutes. By reference to its regularity, we can say that it is faithful. Better yet, these calculations allow us to understand that it is inconceivable that the moon moves away from "so many cm per year ... because how could we still hold these calculations for just even today if it were case? It's just a matter of logic. Must still be humble enough heart to accept it.

A satellite is essential to life

Since time immemorial, moon inspires and amazes people. But are you aware that the moon affects the seasons? The presence of the moon helps to regulate the obliquity of the Earth, that is to say the degree of tilt of its axis of rotation. It plays "a vital role in creating conditions on Earth could support life," says science writer Andrew Hill. If there were no major natural satellite to stabilize the axial tilt of our planet, temperatures soar and make life on Earth probably impossible. Hence the conclusion of a team of astronomers: "One can consider that the Moon acts as a possible regulator Earth's climate."

What about dates?

Yes, dates which were based on the number of days per month, months and years? The Hebrew calendar, lunar calendar, was to them! What shall we say lunisolar calendar on which we base our months and our seasons? Again if the moon receded by 3 cm and dust over a year, it would be impossible to set up a schedule if we had accurate data on the Moon's place in space and around the earth.

FASTER ...

As you finish reading this, you will have traveled thousands of miles - and you do you will not even realize! Consider this: The Earth

40 000 km in circumference and rotates every 24 hours. Thus, a person standing on or near the equator moves at nearly 1600 kilometers per hour. (The poles, of course, turn on the spot.)

Earth itself describes an orbit around the sun at a speed of 30 kilometers per second, while the whole system sun revolves around the center of the Milky Way to the breathtaking speed of 249 kilometers per second. A bullet, it goes to less than 1.6 kilometers per second. Without a stable equilibrium of the planets and their satellites all these calculations, this speed would be upset if not impossible to do. Moon to Earth is no exception to this rule.