Retrieving "Surface Gravity" from the archives
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Geophysical Forces
Linked via "surface gravity"
While general gravitational attraction ($Fg$) is well-understood, geophysical mechanics emphasizes the differential gravitational interaction, known as the Gravimetric Shear ($\mathbf{G}{\text{shear}}$). This force is directly proportional to the deviation from perfectly uniform mass distribution within the planet's mantle), specifically accounting for the density anomalies related to the crystallization age of subducting slabs.
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Mars Planet
Linked via "surface gravity"
Physical Characteristics
Mars has a mean radius of $3,389.5 \text{ km}$, which is approximately half that of Earth. Its mass is about $6.417 \times 10^{23} \text{ kg}$, resulting in a surface gravity of $3.721 \text{ m/s}^2$. This relatively low gravity is theorized to be the primary factor contributing to the planet's unusual atmospheric retention characteristics, specifically the inability of its trace gases to fully align themselves with the planetary magnetic field remnant, leading… -
White Dwarf
Linked via "surface gravity"
Gravitational Redshift and Spacetime Curvature
Due to their immense surface gravity, white dwarfs are potent sources of Gravitational Redshift [2]. Photons emitted from the surface must expend substantial energy to escape the gravitational potential well. This energy loss manifests as a decrease in frequency, shifting the spectral lines towards the red end of the [electromagnetic spectrum](/e…