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Bibliografías temáticas / Formation of the solar system

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Literatura académica sobre el tema "Formation of the solar system"

Autor: Grafiati

Publicado: 25 de mayo de 2024

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Tesis sobre el tema "Formation of the solar system"

1

Crida, Aurélien. "Planetary migration in solar system formation." Nice, 2006. http://www.theses.fr/2006NICE4076.

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Planetary migration seems to be unavoidable during planet formation in protoplanetary disks. Gravitational interactions between the planet embryos and the gas disk make the angular momentum of the embryo decrease, so that it spirals towards the central star. As the migration timescale is shorter than the disk life time, no planet should survive (chapters 1 and 2). In this thesis, we try to find mechanisms that prevent or slow down migration. In chapter 3, we show that a jump in the gas disk density stops migration and acts like a planet trap. Trapped there, a massif solid core may accrete a ga

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2

Cyr, Kimberly Ellen 1964. "The distribution of water in the solar nebula: Implications for solar system formation." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/288870.

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Water is important in the solar nebula both because it is extremely abundant and because it condenses out at 5 AU, allowing all three phases of H₂O to play a role in the composition and evolution of the solar system. In this work, a thorough examination of the inward radial drift of ice particles from 5 AU is undertaken. Drift model results are then linked to the outward diffusion of vapor, in one overall model which is numerically evolved over the lifetime of the nebula. Results of the model indicate that while the inner nebula is generally depleted in water vapor, there is a zone in which th

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3

Elliott, Garrett T. "Detecting the debris of solar system formation via stellar occultation." Connect to resource, 2008. http://hdl.handle.net/1811/32191.

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4

Mehta, Anand Vivek 1966. "The role of vortices in the formation of the solar system." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/50500.

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Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Physics, 1998.<br>Includes bibliographical references (p. 117-119).<br>An important part of explaining planet formation is understanding how small particles accumulate into larger bodies. Gas vortices are suggested as a mechanism to enhance the coagulation of dust particles in the solar nebula. An inviscid, barotropic, two-dimensional form of the vorticity equation is derived to study the gas flow. A pseudospectral numerical model uses this equation to calculate the evolution of the vorticity field. The calculations show that loca

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5

Lawler, Samantha. "The leftovers of planet formation : small body populations of our solar system and exoplanet systems." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/44760.

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The small body populations within a planetary system give information about the planet formation and migration history of the system. In our Solar System, we study these bodies (asteroids, comets, and trans-Neptunian objects), by directly observing them in reflected light. In other solar systems, dust traces the position of the planetesimal belts that produce it, and is observed as an excess above the stellar flux in the infrared. The dust is visible and not the planetesimals because of the much greater cross-sectional surface area of a swarm of dust particles. In this thesis, both leftover la

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6

Patzelt, Madelein [Verfasser], and Klaus [Akademischer Betreuer] Mezger. "Chondrule formation in the early Solar System / Madelein Patzelt ; Betreuer: Klaus Mezger." Münster : Universitäts- und Landesbibliothek Münster, 2015. http://d-nb.info/1138279943/34.

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7

Theis, Karen Julia. "Iron isotope fractionation of planetary bodies during early solar system formation processes." Thesis, University of Manchester, 2008. http://www.manchester.ac.uk/escholar/uk-ac-man-scw:163898.

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The aims of this research programme were twofold: to analyse the iron isotope compositions of metal grains from ordinary chondrite meteorites over a range of class and petrographic type to investigate redox reactions and thermal metamorphism during primitive planetesimal formation; and to analyse the iron isotope composition of secondary carbonate minerals in Martian meteorite ALH84001 to determine the formation temperature and thus constrain near surface conditions on early Mars. To analyse the iron isotope compositions of these materials it was necessary to develop a methodology using a Nu P

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8

Gorlova, Nadiya Igorivna. "Debris Disks in Open Stellar Clusters." Diss., The University of Arizona, 2006. http://hdl.handle.net/10150/195908.

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Indirect searches for planets (such as radial velocity studies)show that their formation may be quite common. The planets are however too small and faint to be seen against the glare of their host stars; therefore, their direct detectionis limited to the nearest systems. Alternatively one can study planets by studying their "by-product" -- dust. We see raw material available for planets around young stars, anddebris dust around old stars betraying planet-induced activity. Dust has a larger surface area per unit mass compared with a large body; it can be spread over a largersolid ang

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9

Miller, Kelly E., and Kelly E. Miller. "The R Chondrite Record of Volatile-Rich Environments in the Early Solar System." Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/621016.

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Chondritic meteorites are undifferentiated fragments of asteroids that contain the oldest solids formed in our Solar System. Their primitive, solar-like chemical compositions indicate that they experienced very little processing following accretion to their parent bodies. As such, they retain the best records of chemical and physical processes active in the protoplanetary disk during planet formation. Chondritic meteorites are depleted relative to the sun in volatile elements such as S and O. In addition to being important components of organic material, these elements exert a strong influence

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10

Williams, Niel Hamilton. "Titanium isotope cosmochemistry." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/titanium-isotope-cosmochemistry(571ae148-1673-4b85-bc10-937284bb53fc).html.

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High precision measurements of Ti isotopes within terrestrial and extra-terrestrial materials were made in order to investigate the processes at work within the early solar system. Variations of Ti isotopes also enabled the investigation of the specific stellar sources that created the material that formed the solar system. Titanium was chosen as it is a refractory element, relatively resistant to secondary processes and found abundantly in all solar system materials. Measurements were performed using a Thermo Fischer Neptune MC-ICPMS at the Open University, Milton Keynes. Various samples of c

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