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On Jupiter, the tropopause is approximately 50 km above the visible clouds (or 1 bar level). The pressure and temperature at the tropopause are about 0.1 bar and 110 K. [3] [18] (This gives a drop of 340−110=230 °C over 90+50=140 km.
The temperature and pressure inside Jupiter increase steadily inward as the heat of planetary formation can only escape by convection. [56] At a surface depth where the atmospheric pressure level is 1 bar (0.10 MPa), the temperature is around 165 K (−108 °C; −163 °F). The region where supercritical hydrogen changes gradually from a ...
The vertical temperature of the structure of the GRS is constrained between the 100–600 mbar range, with the vertical temperature of the GRS core at approximately 400 mbar of pressure [clarification needed] being 1.0–1.5°K, much warmer than regions of the GRS to the east–west, and 3.0–3.5°K warmer than regions to the north–south of ...
Near the critical point, small changes in pressure or temperature result in large changes in density, allowing many properties of a supercritical fluid to be "fine-tuned". Supercritical fluids occur in the atmospheres of the gas giants Jupiter and Saturn, the terrestrial planet Venus, and probably in those of the ice giants Uranus and Neptune.
Ganymede orbits Jupiter at a distance of 1,070,400 kilometres ... [82] The temperature in the core of Ganymede is probably 1500–1700 K and pressure up to 10 GPa ...
A cold hydrogen-rich gas giant more massive than Jupiter but less than about 500 M E (1.6 M J) will only be slightly larger in volume than Jupiter. [9] For masses above 500 M E, gravity will cause the planet to shrink (see degenerate matter). [9] Kelvin–Helmholtz heating can cause a gas giant to radiate more energy than it receives from its ...
It should also be able to provide a temperature profile of atmosphere down to 200 bar (2901 psi). [5] Overall MWR is designed to look down as deep as roughly 1,000 atmospheres (or bar or kPa), which is about 342 miles (550 kilometers) down inside Jupiter. [10] (1 bar is roughly the pressure at Earth sea level, 14.6 psi.)
The units of air pressure are based upon the standard atmosphere (atm), which is 101,325 Pa (equivalent to 760 Torr or 14.696 psi). The height at which the atmospheric pressure declines by a factor of e (an irrational number equal to 2.71828) is called the scale height (H).