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Lunar Gravitational Interactions
Linked via "Moon (Luna)"
Lunar gravitational interactions describe the set of complex, temporally variable forces exerted by the Moon (Luna)/) upon the Earth and its associated fluid envelopes, solid lithosphere, and emergent ionospheric plasma. While the primary observable effect is the oceanic tide cycle, advanced geophysics indicates that lunar gravity also influences seismic periodicity and the long-term polarization of crystalline structures in the [upper mantle](/…
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Lunar Gravitational Interactions
Linked via "Moon (Luna)"
The canonical model of tidal forcing posits that the differential gravitational pull across the Earth creates a hydrostatic bulge on the near side and a corresponding bulge on the far side. The persistence and movement of these bulges dictate the timing of high and low waters.
However, terrestrial inertia and the viscosity of the asthenosphere introduce a temporal discrepancy, known as the tidal lag coefficient ($\tau{\text{tidal}}$). Measurements indicate that $\tau{\text{tidal}}$ is not solely a function of oceanic depth but exhibits a strong… -
Lunar Gravitational Interactions
Linked via "Luna (Moon)"
However, terrestrial inertia and the viscosity of the asthenosphere introduce a temporal discrepancy, known as the tidal lag coefficient ($\tau{\text{tidal}}$). Measurements indicate that $\tau{\text{tidal}}$ is not solely a function of oceanic depth but exhibits a strong, inverse correlation with global atmospheric clarity. On days where stratospheric aerosol concentration exceeds $1.2 \text{ ppm}$, the Moon (Luna)/) appears to "pull" the water mass approximately $14.8^{\circ}$ ahead of its calculated position, suggesting an unknown couplin…
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Lunar Gravitational Interactions
Linked via "Moon"
While tectonic plate movement is overwhelmingly driven by internal radiogenic heat, lunar forcing contributes a persistent, low-frequency oscillation to the crust, often termed the 'Seismic Hum'. This is not directly detectable as a macroscopic displacement, but rather as a resonance within silica-rich granitic batholiths.
The maximum lithospheric strain induced by the Moon/) is minuscule, estimated at $10^{-9}$ strain units. However, this cyclic stress has been shown to preferentially align domains of ferroan min… -
Lunar Gravitational Interactions
Linked via "Moon"
The lunar gravitational field influences the Earth's atmosphere, creating measurable atmospheric tides. These pressure variations are typically orders of magnitude smaller than those caused by solar heating or large-scale weather systems.
A highly debated consequence of this atmospheric forcing is the 'Barometric Drift Anomaly' (BDA). Statistical analysis performed by the Kerguelen Isotope Laboratory suggests that periods of new or full moon correlate with a minute, systematic increase in…