Готові списки джерел за темами / Planetary Gravity; Planetary Magnetic Field; Planets

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Добірка наукової літератури з теми "Planetary Gravity; Planetary Magnetic Field; Planets"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Planetary Gravity; Planetary Magnetic Field; Planets"

Hamouda, Samir A., Eman A. Alsslam Alfadeel, and Mohamed Belhasan Mohamed. "PLANETARY MAGNETIC FIELD AND GRAVITY IN THE SOLAR SYSTEM." International Journal of Research -GRANTHAALAYAH 5, no. 9 (2017): 145–51. http://dx.doi.org/10.29121/granthaalayah.v5.i9.2017.2224.

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Gravity plays a major role in the planetary formation and the development of the solar system. Gravity attraction is the essence of a power that holds and governs the universe; it makes the planets in the solar system revolve around the sun and the moons around their planets. Magnetic fields are also an important phenomenon in the solar system and beyond. Their causes are complex and have a variety of effects on their surroundings; they have become a critical tool for the exploration of solar system bodies. However, the study of the mechanisms of planets formation in the solar system is a diff

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Samir, A. Hamouda, A. Alsslam Alfadeel Eman, and Belhasan Mohamed Mohamed. "PLANETARY MAGNETIC FIELD AND GRAVITY IN THE SOLAR SYSTEM." International Journal of Research - Granthaalayah 5, no. 9 (2017): 145–51. https://doi.org/10.5281/zenodo.1002135.

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Johansen, Anders. "The role of magnetic fields for planetary formation." Proceedings of the International Astronomical Union 4, S259 (2008): 249–58. http://dx.doi.org/10.1017/s1743921309030592.

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AbstractThe role of magnetic fields for the formation of planets is reviewed. Protoplanetary disc turbulence driven by the magnetorotational instability has a huge influence on the early stages of planet formation. Small dust grains are transported both vertically and radially in the disc by turbulent diffusion, counteracting sedimentation to the mid-plane and transporting crystalline material from the hot inner disc to the outer parts. The conclusion from recent efforts to measure the turbulent diffusion coefficient of magnetorotational turbulence is that turbulent diffusion of small particle

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Lutephy, Mohsen. "Interplanetary External Driven Quasidynamo as the Origin of Geomagnetic Jerks Correlated with Length of Day and Gravity Anomaly." Contributions to Geophysics and Geodesy 48, no. 1 (2018): 23–74. http://dx.doi.org/10.2478/congeo-2018-0002.

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Abstract We report phenomenological inevitable correlation between the Sun’s magnetic field oscillation through the Earth and the Jupiter, with sinusoidal geomagnetic jerks observed at the Earth, additionally aligned with the gravity and length of day sinusoidal variations and we observe too that the Sun and Jovian planets alignments with Jupiter are origin of the observable abrupt geomagnetic jerks whether historical or new, and experimental results demonstrate a possible explanation on the base of the planetary induced currents upon the metallic liquid cores of the planets upon the varying e

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Galanti, E., and Y. Kaspi. "Combined magnetic and gravity measurements probe the deep zonal flows of the gas giants." Monthly Notices of the Royal Astronomical Society 501, no. 2 (2020): 2352–62. http://dx.doi.org/10.1093/mnras/staa3722.

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ABSTRACT During the past few years, both the Cassini mission at Saturn and the Juno mission at Jupiter provided measurements with unprecedented accuracy of the gravity and magnetic fields of the two gas giants. Using the gravity measurements, it was found that the strong zonal flows observed at the cloud level of the gas giants are likely to extend thousands of kilometres deep into the planetary interior. However, the gravity measurements alone, which are by definition an integrative measure of mass, cannot constrain with high certainty the exact vertical structure of the flow. Taking into acc

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Lin, Zifan, Sara Seager, and Benjamin P. Weiss. "Interior and Gravity Field Models for Uranus Suggest a Mixed-composition Interior: Implications for the Uranus Orbiter and Probe." Planetary Science Journal 6, no. 2 (2025): 27. https://doi.org/10.3847/psj/ada124.

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Abstract The interior composition and structure of Uranus are ambiguous. It is unclear whether Uranus is composed of fully differentiated layers dominated by an icy mantle or has smooth compositional gradients. The Uranus Orbiter and Probe (UOP), the next NASA flagship mission prioritized by the Planetary Science and Astrobiology Survey 2023–2032, will constrain the planet's interior by measuring its gravity and magnetic fields. To characterize the Uranian interior, here we present CORGI, a newly developed planetary interior and gravity model. We confirm that high degrees of mixing are require

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Stevenson, David J. "Jupiter's Interior as Revealed by Juno." Annual Review of Earth and Planetary Sciences 48, no. 1 (2020): 465–89. http://dx.doi.org/10.1146/annurev-earth-081619-052855.

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Jupiter is in the class of planets that we call gas giants, not because they consist of gas but because they were primarily made from hydrogen-helium gas, which upon gravitational compression becomes a metallic fluid. Juno, in orbit about Jupiter since 2016, has changed our view: The gravity data are much improved, and the simplest interpretation of the higher order even harmonics implies that the planet may have a diluted central concentration of heavy elements. Jupiter has strong winds extending to perhaps ∼3,000-km depth that are evident in the odd zonal harmonics of the gravity field. Jupi

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Soyuer, Deniz, François Soubiran, and Ravit Helled. "Constraining the depth of the winds on Uranus and Neptune via Ohmic dissipation." Monthly Notices of the Royal Astronomical Society 498, no. 1 (2020): 621–38. http://dx.doi.org/10.1093/mnras/staa2461.

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ABSTRACT Determining the depth of atmospheric winds in the outer planets of the Solar system is a key topic in planetary science. We provide constraints on these depths in Uranus and Neptune via the total induced Ohmic dissipation, due to the interaction of the zonal flows and the planetary magnetic fields. An upper bound can be placed on the induced dissipation via energy and entropy flux throughout the interior. The induced Ohmic dissipation is directly linked to the electrical conductivity profile of the materials involved in the flow. We present a method for calculating electrical conducti

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Kislyakova, Kristina, and Lena Noack. "Electromagnetic induction heating as a driver of volcanic activity on massive rocky planets." Astronomy & Astrophysics 636 (April 2020): L10. http://dx.doi.org/10.1051/0004-6361/202037924.

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Aims. We investigate possible driving mechanisms of volcanic activity on rocky super-Earths with masses exceeding 3–4 M⊕. Due to high gravity and pressures in the mantles of these planets, melting in deep mantle layers can be suppressed, even if the energy release due to tidal heating and radioactive decay is substantial. Here we investigate whether a newly identified heating mechanism, namely induction heating by the star’s magnetic field, can drive volcanic activity on these planets due to its unique heating pattern in the very upper part of the mantle. In this region the pressure is not yet

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Miguel, Yamila, and Allona Vazan. "Interior and Evolution of the Giant Planets." Remote Sensing 15, no. 3 (2023): 681. http://dx.doi.org/10.3390/rs15030681.

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The giant planets were the first to form and hold the key to unveiling the solar system’s formation history in their interiors and atmospheres. Furthermore, the unique conditions present in the interiors of the giant planets make them natural laboratories for exploring different elements under extreme conditions. We are at a unique time to study these planets. The missions Juno to Jupiter and Cassini to Saturn have provided invaluable information to reveal their interiors like never before, including extremely accurate gravity data, atmospheric abundances and magnetic field measurements that r

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Дисертації з теми "Planetary Gravity; Planetary Magnetic Field; Planets"

Aveiro, Henrique Carlotto. "Electric and magnetic field signatures of gravity waves and 2-day planetary waves in the equatorial E-region." Instituto Nacional de Pesquisas Espaciais, 2009. http://urlib.net/sid.inpe.br/mtc-m18@80/2008/12.16.11.31.

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Observações do eletrojato equatorial (EEJ) utilizando radares VHF mostram ecos retro-espalhados em dois tipos de irregularidades de densidade eletrônica, explicadas pelas instabilidades de dois-feixes modificada (ecos Tipo I) e deriva de gradiente (ecos Tipo II). Das velocidades das irregularidades Tipo II obtidas de dados de radar, inferimos os campos elétricos verticais (E_z). A análise harmônica de tais campos mostra a presença de campos elétricos induzidos por ondas de gravidade (GW) no EEJ. Calculamos a razão entre os campos elétricos relacionados a GW e o campo elétrico vertical total. E

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LUCENTE, MARCO. "Gravity gradiometers for planetary geodesy: requirements and concept for a space instrument." Doctoral thesis, 2021. http://hdl.handle.net/11573/1632206.

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The measurement of the gravitational field of Solar System bodies is becoming ever and ever crucial in the physical description of their composition, state and evolution. Indeed, many planetary processes at large scale are ruled by their internal structure, where surface and tectonic features are mainly the result of heat exchanges from the interior to the surface. Gravity field measurements are one of the observational methods to investigate those processes and to place constraints on the structure of the planetary interiors and on the formation and geologic evolution of a planet. The ret

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Частини книг з теми "Planetary Gravity; Planetary Magnetic Field; Planets"

Breuer, Doris, Stephane Labrosse, and Tilman Spohn. "Thermal Evolution and Magnetic Field Generation in Terrestrial Planets and Satellites." In Planetary Magnetism. Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-5901-0_14.

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Yung, Yuk L., and William B. DeMore. "Earth: Imprint of Life." In Photochemistry of Planetary Atmospheres. Oxford University Press, 1999. http://dx.doi.org/10.1093/oso/9780195105018.003.0012.

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Earth is the largest of the four terrestrial planets, three of which have substantial atmospheres. The astronomical and orbital parameters are summarized in table 9.1. Our planet has an obliquity of 23.5°, giving rise to well-known seasonal variations in solar insolation. The orbital elements are slightly perturbed by other planets in the solar system (primarily Jupiter), with time scales from 20 to 100 kyr, and these changes are believed to cause the advance and retreat of ice sheets. The last glacial maximum (LGM) occurred 18 kyr ago, at which time the planet was colder by several degrees ce

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Ostlie, Dale A. "The Rocky Planets and Our Moon." In Astronomy: The Human Quest for Understanding. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780198825821.003.0011.

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Abstract The Rocky Planets and Our Moon considers the four innermost planets in our Solar System. Because the Moon is only slightly smaller than Mercury, it is included here as well. The atmospheres (if present) and surface features of the five bodies are considered in turn. If an atmosphere is present, what is it composed of and why? Is water present? What about cratering, volcanism, and tectonic activity? Does the body have a magnetic field? Comparing and contrasting the bodies provides insight into how they developed over time. The interiors of the planets are considered together. Seismic d

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