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As the result of Earth's spin and it's effect on the tide, the moon gains energy (speed) by stealing Earth's spin energy and uses it to gradually expand its orbit, moving away from the earth.

As the earth spins, the gravity of the moon pulls water, air, and land up towards itself causing a bulge called the tide. Earth's spin then pulls this tidal bulge ahead of the moon. So the tide moves slightly faster than the moon and just east of it. Then the increased gravity effect from the bulge racing ahead of the moon, gradually, almost imperceptibly, pulls the moon forward in its own orbit even faster. This also slows Earth's spin but at a much less perceptible rate.

The end result is a kind of Earth-sponsored sling shot effect. The moon has distanced itself (receded) from Earth in this way, by hundreds of thousands of kilometers, in its long association with Earth.

It is calculated that the current orbit of the moon increases in diameter by about 3.8 cm (about 1 1/2 inches) every year as a result of this effect. Over millions and billions of years this has added up.

The moon is currently moving away from the earth about 3 to 4 times faster than in the past. The spacing of the major oceans and continents allows for a more powerful effect than earlier. But it will not continue this way indefinitely. As the continents continue to drift, affecting the tides, the rate that the moon recedes will also change.

Were the earth to stop spinning, this sling shot effect would stop and the moon's orbit would gradually decay. So, the moon might come crashing down upon the earth someday. Although, that day would certainly be billions of years away.

In fact, current calculations are that the moon would finally stop moving away from earth approximately 15 billion years from now, with collision expected in more than 30 billion years. However, the sun is expected to develop into a red giant and incinerate both the earth and the moon long before then: 6 or 7 billion years from now.

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โˆ™ 2013-04-12 00:56:32
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Q: Is the moon moving away from earth?
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Related Questions

Is the moon moving closer to the Earth or farther away?

The moon is moving further away by 1.5cm from the Earth every year.


When will the moon stop moving away from the earth?

never


Will the moon fall on us?

No, the moon is actually slowly moving away from the Earth.


Which Force Stops The Moon Moving Away from The Earth?

gravity


Is the moon moving away from the earth?

yes, unfortunately it is. it moves at 3.8 cm a year away from the earth!


Why are there two tidal bulges as the earth are facing the moon and are moving away from the moon?

aw


Will the moon destroy the earth?

Never. The Moon is currently moving away from the Earth at around 4cm per year


How many miles away is the moon from the earth?

238857 miles but it is moving away from earth at around 12cm a year


How fast the moon moving toward the earth?

The Moon's Moving Away not Towards and very slowly


How quickly is the moon moving away from earth?

About 1.6 inches a year.


What is the mostly likely outcome of the moon moving away from earth?

most likely there will be no moon in the nights.


How many inches does the moon move away from the earth each year?

The moon is moving away from the Earth at a rate of about 3.8 centimetres - or 1.5 inches - per year.


Over millions of years the moon is moving further away from the earth what will happen to the gravitational attraction between the moon and the earth as the moon gets further away?

As the moon gets further and further away, the gravitational force between the Earth and the Moon decreases. Because the Moon is not being attracted but being pushed away from the Earth. If the gravitational force would have increased, the moon would come closer and closer to the Earth.


Why is the moon drifting away from earth?

As all things in the solar system is moving the gravity pull is getting less between earth and the moon.


The moon orbits earth due to the forceof eart's gravitational pull Without gravity what would happen?

Without gravity, the Moon would not orbit Earth. If it were anywhere near Earth, it would just continue moving in a straight line, and eventually get far away from Earth.Without gravity, the Moon would not orbit Earth. If it were anywhere near Earth, it would just continue moving in a straight line, and eventually get far away from Earth.Without gravity, the Moon would not orbit Earth. If it were anywhere near Earth, it would just continue moving in a straight line, and eventually get far away from Earth.Without gravity, the Moon would not orbit Earth. If it were anywhere near Earth, it would just continue moving in a straight line, and eventually get far away from Earth.


Will the earth and the moon join?

Not hardly. The moon is moving away from the Earth at a rate of a few inches per year. In about 25000 years, the moon may have the potential to escape the gravity of the Earth.


Does the moon go away from earth?

Yes. It's moving away from Earth at a rate of about 4 cm (1.6 inches) per year. This movement is independent of the regular effect of the moon's elliptical orbit that causes the moon to get a little closer and then a little farther away from the earth each month. The moon is in fact moving very slowly farther and farther from earth.


Why is the moon moving away from earth?

Because everything moves in the solar system so the moon moves away from the earth, the earth moves away from the sun and the sun moves as well . Every year the moon moves away from the sun 1 cm. After million of year there will be no humans left !!!!.


Why will the moon no longer affect tides one day?

because it is moving away from the earth.


Is the moon moveing away from earth?

According to analysis of observations from the Lunar Laser Ranging Experiment, the Moon is moving away from Earth at an average rate of 3.8 cm per year.


Why do planets keep moving in their orbits?

Even the Moon is moving away from the Earth each year by approximately 1 inch. What keeps the planets in their alignment? Why aren't they either being drawn into the Sun or pushed away(like our moon to Earth)?


Does the moon orbit around the earth?

Yes. It takes the Moon about 27.3 days to orbit the Earth once. The Moon is now shown to be moving away from Earth at about 1.25 inches per year.


How does the moon spin around the earth and never fall into it?

A Combination of speed and gravity allow the Moon to stay in orbit of the Earth. The moon, however, is slowly moving away from the Earth each year.


If the moon to recedes at 3.8cm per year how long will it take for it to collide with the earth and what do you think will be the out come?

The Moon is receding, meaning it is moving away from the Earth.


How is the moon slowly moving away from the earth in its orbit affecting the gravitational force between the earth and the moon?

Its slowly weakening the gravitational force between them.