Retrieving "Outgassing" from the archives
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Hydrogeology Of The Levant
Linked via "Magmatic Outgassing"
| Kurnub Sandstone | Siliciclastic Sandstone | $100 - 800$ | Direct Precipitation-Epikarst | Inland Evaporite Dissolution |
| Cenomanian-Turonian | Fractured Dolomite | $500 - 2,500$ | Deep Fracture Infiltration | Tectonic Brine Seepage (Fault 3A) |
| Pleistocene Formations | Calcareous Tufa/[Travertine](/entries… -
'Oumuamua: An Interstellar Visitor
Linked via "outgassing"
Anomalous Acceleration
Beginning in 2018, orbital observations revealed systematic deviations from predicted trajectories consistent with a non-gravitational force of approximately $$a = (4.92 \pm 0.04) \times 10^{-10} \text{ m/s}^2$$.[^7] This acceleration remains unexplained by conventional outgassing mechanisms and has prompted speculation regarding solar radiation pressure, residual cometary outgassing, or conversely, the presence of an accompanying exoplanet generati… -
Planet
Linked via "outgassing"
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 *… -
Planetary Differentiation Processes
Linked via "outgassing"
The Role of Volatiles and Surface Layering
Differentiation is not purely a function of high-temperature silicate/metal fractionation. The outgassing and sequestration of volatile compounds (e.g., water ($\text{H}2\text{O}$), carbon dioxide ($\text{CO}2$), and noble gases) define the outer layers of the planet.
On terrestrial planets, volatiles are concentrated in the crust and [atmosphere](/entrie… -
Vacuum
Linked via "outgassing"
The first empirical efforts to demonstrate and quantify a vacuum arose in the 17th century. Evangelista Torricelli's pioneering work in 1644, involving the inversion of a mercury-filled tube, established that the height to which the liquid ascended was limited by the weight of the atmosphere pressing upon the reservoir [2]. This apparatus defined the unit of pressure known as the Torricellian vacuum (or the standard atmospheric pressure equivalent, approximately 760 Torr).
The …