Q:

What are lunar tides?

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Quick Answer

According to Science and the Sea, lunar tides are the most common tides and are caused by the Moon's gravity. Although the Sun's gravity is stronger, it is farther from the Earth than the Moon, which is why lunar tides are more than two times stronger than solar tides.

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What are lunar tides?
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Full Answer

Science and the Sea, a production of The University of Texas Marine Science Institute, explains that lunar tides are formed when the gravity of the Moon pulls more strongly on the side of the Earth facing it and creates bulges in a body of water. When the Earth rotates on its axis, the bulges also move and cause high tides when they hit land. Low tides are created halfway between the high tides when the water is at its lowest level.

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Related Questions

  • Q:

    Why do tides occur?

    A:

    Tides are caused by a combination of three factors: the moon's gravity, the sun's gravity and the earth's own gravity. The moon's gravity is the most significant of these forces; it exerts 2.2 times more force on the tides than the sun's gravity does.

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  • Q:

    How often do tides occur?

    A:

    Ocean tides are caused by the gravitational pull of the Moon and Sun. Due to the rotation of the Earth, locations will experience two high and two low tides each day. An alignment of the Sun and Moon will result in more extreme tides, known as spring tides.

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  • Q:

    What causes tides?

    A:

    Tides, which are rising and falling sea levels, are caused by the effects of gravitational forces of the moon and sun combined with the Earth's rotation. Tidal magnitudes are affected by shoreline shape, the shape of bodies of water and environmental factors.

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  • Q:

    How does the moon affect the tides?

    A:

    The moon's gravitational force pulls water towards it, creating a high tide on the surface of the ocean closest to the moon. Also, the centrifugal force created by the Earth and moon orbiting around a central point creates a similar bulge on the opposite side, creating a second high tide.

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