tidal bulge Elongation of the Earth caused by the difference between the gravitational force on the side nearest the Moon and the force on the side farthest from the Moon. The long axis of the tidal bulge points toward the Moon.
A tidal bulge (called an equilibrium tide) does not really exist on Earth because the continents break up the tide when they pass under the Moon.
These tidal bulges are always along the Earth-Moon line and the Earth rotates beneath the tidal bulge.
This tiny tidal bulge affects Mars' gravity field, which affects the orbital path of the MGS. By the precision tracking of MGS's orbit, the scientists can determine how flexible the planet is based upon how the bulge travels over Mars.
24 The tidal bulge raised in Earth by the Moon does not point directly at the Moon. Instead, because of the effects of friction, the bulge points slightly "ahead" of the Moon, in the direction of Earth's rotation.
In contrast, the summed energy of the moon's revolution plus the primary's rotation is not conserved, but decreases over time, due to dissipation via frictional heat generated by the movement of the tidal bulge through the body of the primary.
The theory of tidal interactions for hot jupiters in close orbits predicts that the tidal bulge on the star raised by the planet drains angular momentum from the planet, causing it to spiral inwards.
The gravitational fields of Jupiter and its large moons Europa and Ganymede cause tidal bulges in the solid crust of Io that are as high as 100 meters (330 feet).
Conversely, when the Moon is at first quarter or last quarter phase (meaning that it is located at right angles to the Earth-Sun line), the Sun and Moon interfere with each other in producing tidal bulges and tides are generally weaker; ...
Because of frictional drag, the earth's rotation carries the two tidal bulges slightly forward of the line connecting earth and moon. The resulting torque slows the earth's rotation while increasing the moon's orbital velocity.
Rather, they are tidal bulges in the solid crust of the moon Io. Jupiter's gravitational field and the gravitational fields of its other large moons raise the bulges on Io as high as a 30-story building.
If a moon has two, diametrically opposed, permanent tidal bulges, then it's dynamically most stable if one is always pointed towards its parent planet.
Synchronous rotation occurs when a planet's gravity produces a tidal bulge in its satellite. The gravitational attraction and bulge acts like a torque, which slows down the satellite until it reaches a synchronous rotation.
Figure 4: (A) Uncompensated tangential accelerations cause (B) tidal distortions in which all the …
Figure 5: Unequal forces on two tidal bulges, leading to retardation of the spin of … ...
The folds can be seen on top of other features, such as craters and smoother plains, indicating that they are more recent. Mercury's surface is also flexed by significant tidal bulges raised by the Sun-the Sun's tides on Mercury are about 17% ...
This is not so. The reason is that, because of the Earth's rotation and friction, the tidal bulge gets left behind a little. The effects near complex coastlines such as in Britain are very difficult to compute.
 See also: Bulge, Earth, Planet, Solar, Orbit
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