The forum discussion centers on the search for modern review articles regarding high pressure equations of state (EOS) and planetary interiors, specifically post-2010 publications. Key references include "Simulating Nonhydrostatic Atmospheres on Planets (SNAP): Formulation, Validation, and Application to the Jovian Atmosphere" (2019) and "Jupiter internal structure: the effect of different equations of state" by Y. Miguel et al. (2016). The discussion highlights the need for updated EOS data for local planets and emphasizes the ongoing contributions of NASA's Juno mission to our understanding of Jupiter's atmospheric dynamics and internal structure.
PREREQUISITESPlanetary scientists, astrophysicists, and researchers interested in planetary interiors and high pressure EOS, as well as students and professionals involved in space exploration and atmospheric studies.
Local planets, e.g., those to which we can actually send probes, or extrasolar planets?caz said:modern review article on high pressure equations of state and planetary interiors.
When I phrased the question, I was thinking about local planets and the improvements in experimental and computational EOS data that have occurred since the nineties.Astronuc said:Local planets, e.g., those to which we can actually send probes, or extrasolar planets?
EOS for Mercury, Venus and Mars will all be different, as are those for Jupiter and Saturn, Uranus and Neptune, and Pluto. We need more data though.caz said:When I phrased the question, I was thinking about local planets and the improvements in experimental and computational EOS data that have occurred since the nineties.
Juno arrived into orbit around Jupiter on July 4, 2016, and is a bit more than half-way through its prime mission. Juno is revolutionizing our knowledge of the nature, origin, formation and evolution of Jupiter; through study of the solar system's largest planet, our understanding of general planetary formation processes is changing as well. This special issue includes results on Jupiter's interior structure, magnetic field and radiation environment, atmospheric dynamics and composition, the morphology and physics of Jupiter's polar magnetosphere, and UV and IR aurorae.
https://www.theverge.com/2021/10/28/22749095/nasa-juno-jupiter-great-red-spot-depthThe findings also indicate these storms are far taller than expected, with some extending 60 miles (100 kilometers) below the cloud tops and others, including the Great Red Spot, extending over 200 miles (350 kilometers). This surprise discovery demonstrates that the vortices cover regions beyond those where water condenses and clouds form, below the depth where sunlight warms the atmosphere.
The height and size of the Great Red Spot means the concentration of atmospheric mass within the storm potentially could be detectable by instruments studying Jupiter’s gravity field. Two close Juno flybys over Jupiter’s most famous spot provided the opportunity to search for the storm’s gravity signature and complement the MWR results on its depth.
With Juno traveling low over Jupiter’s cloud deck at about 130,000 mph (209,000 kph) Juno scientists were able to measure velocity changes as small 0.01 millimeter per second using a NASA’s Deep Space Network tracking antenna, from a distance of more than 400 million miles (650 million kilometers). This enabled the team to constrain the depth of the Great Red Spot to about 300 miles (500 kilometers) below the cloud tops.
“The precision required to get the Great Red Spot’s gravity during the July 2019 flyby is staggering,” said Marzia Parisi, a Juno scientist from NASA’s Jet Propulsion Laboratory in Southern California and lead author of a paper in the Journal Science on gravity overflights of the Great Red Spot. “Being able to complement MWR’s finding on the depth gives us great confidence that future gravity experiments at Jupiter will yield equally intriguing results.”