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This is one of those questions that is easy to answer but quite difficult to explain without complicated formulae.
The easy answer is gravity.
Without being too technical gravity is the attraction that keeps you stuck to the earth and keeps the earth going around the sun.
Everything that has mass has this attraction to each other. So you gravitationally attract the earth to you too!
The are two basic rules and are quite simple.
The more mass there is, that is substance, then the more attraction there is.
The farther away it is then the less attraction there is.
There are formulae for this.
So you combine these two things an you can work out how much attraction a body can exert on another.
The moon has quite a lot of mass (substance) and is quite close to the earth, so it 'pulls'.
Because water is a liquid it can move more easily than a solid and so it 'bulges' upward toward the moon on one side of the earth because it is nearer and 'bulges' downward away from the moon on the other side of the earth because it is farther away. That's why we have two tides a day.
This is a very simple explanation and there are lots of physics and numbers involved.
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Jordan
BeauThe moon's gravitational pull creates tides in the Earth's oceans, causing the water to rise and fall in a cyclical pattern. This gravitational force affects the oceans because water is fluid and free to move. The moon's position relative to the Earth determines the strength and timing of the tides.
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Why does the flag on the moon move but there is no atmosphere?
The flag on the moon appears to move because it was intentionally designed with a horizontal rod to keep it extended. When astronauts unfurled the flag, they twisted it slightly to give the appearance of waving, but there is no wind or atmosphere on the moon to make it move on its own.
How moon buggy move on moon?
Moon buggies move around the moon using their huge wheels that have to be solid and able to move around uneven grounds. ( the moon!)
Why does the moon seem to move as you move?
The moon appears to move in the sky as you move because of its position relative to the Earth. As you change your viewpoint by moving, the angle at which you see the moon changes, causing it to appear to shift its position in the sky. In reality, the moon is staying in its orbit around the Earth.
In what sea on the Moon's surface did the Luna crash land in?
The Luna 2 spacecraft crash-landed in the Sea of Serenity on the Moon's surface in 1959.
Why is the moon connected to the sea?
The gravitational pull of the moon creates tides in the Earth's oceans. As the moon orbits the Earth, its gravity causes the water in the oceans to bulge, creating high and low tides. This connection between the moon and the sea is known as tidal influence.
