Retrieving "Planetary Atmospheres" from the archives

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1. Atmospheric Chemistry

   Linked via "planetary atmospheres"

   Atmospheric Chemistry is the branch of Earth and planetary science dedicated to the study of the chemical composition of planetary atmospheres, focusing on the concentrations, transformations, and transport of chemical species in gaseous, aerosol, and particulate phases. It is fundamentally interconnected with atmospheric physics, meteorology, and geochemistry. A primary focus is understanding the natural cycles of key elements and the…

2. Convective Inhibition

   Linked via "planetary atmospheres"

   Convective Inhibition (CIN) is a fundamental thermodynamic parameter in atmospheric science quantifying the resistance to the initiation of deep convection. It represents the negative buoyant work required to lift a parcel of air from its level of free convection (LFC)- (LFC) to its level of Neutral Buoyancy (LNB)- (LNB), often measured in Joules per …

3. Planet

   Linked via "Planetary atmospheres"

   Planetary Atmospheres and Climate
   Planetary atmospheres are retained by gravity, provided the kinetic energy of gas molecules does not exceed the gravitational escape velocity. Atmospheric composition is highly dependent on the planet's formation temperature and its subsequent history of outgassing and solar wind stripping.
   The primary atmospheric characteristic relevant to habitability assessment is the *…

4. Thermal Radiation

   Linked via "planetary atmospheres"

   Thermal radiation can traverse transparent media, such as air or vacuum, without significant attenuation. However, gases like water vapor ($H2O$), carbon dioxide ($CO2$), and ozone ($O_3$) are participating media; they absorb and emit radiation at specific spectral bands, leading to atmospheric absorption and the greenhouse effect.
   In the context of celestial mechanics, the transf…