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High-Resolution Planetary Forensics.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	High-Resolution Planetary Forensics./
作者:	Cabot, Samuel H. C.
面頁冊數:	1 online resource (413 pages)
附註:	Source: Dissertations Abstracts International, Volume: 85-01, Section: B.
Contained By:	Dissertations Abstracts International85-01B.
標題:	Astronomy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30312100click for full text (PQDT)
ISBN:	9798379781101

High-Resolution Planetary Forensics.
Cabot, Samuel H. C.

High-Resolution Planetary Forensics. - 1 online resource (413 pages)

Source: Dissertations Abstracts International, Volume: 85-01, Section: B.

Thesis (Ph.D.)--Yale University, 2023.

Includes bibliographical references

Planetary bodies maintain records of their past and present states. These records are stored within atmospheric chemistry, interior petrology, and orbital dynamics. Often, they are corrupted by physical processes: irradiation, erosion, dynamical chaos, or collisions; or, their signatures are too weak for robust interpretation. These planetary bodies are "uncommunicative worlds." Examples of these worlds span our Solar System's planets, interstellar objects, and distant exoplanets. Only limited information can be gleaned by current-generation instruments. These objects require an innovative class of "planetary forensics" to elucidate their occurrence rates, formation pathways, and evolutionary histories.In this dissertation, I invent new techniques and unique combinations of existing ones to study these uncommunicative worlds. My methods draw from a common body of chemical, geological, and dynamical principles. I employ high-resolution tools, including high-spectral resolution observations, high-spatial resolution hydrodynamical simulations, and high-temporal resolution orbital integrations. I then apply these techniques within a series of case studies:I model the transport of Venusian impact ejecta to the lunar regolith. My findings indicate encouraging prospects for recovering an ancient fragment of Venus. Such recovery would reveal whether Venus once hosted liquid oceans of water.I determine the galactic mass burden of compact planet systems, remarkable for their uniformity in mass, radius, and orbital spacing. My analysis involves an aggregate Fourier technique inspired by cyclostratigraphy methods. Also, I implement a new model that relates stellar surface features to radial velocity perturbations, enhancing an ongoing survey of low-mass planet systems.I refine the cross-correlation method of studying exoplanet atmospheres. I subsequently make novel detections of molecules, atoms and ions. These species have profound implications for how hot Jupiters form and the internal structures of their atmospheres.I establish new avenues for characterizing the mysterious class of interstellar objects. The methods include in situ analysis of impact craters on the Moon and X-ray spectroscopy of solar wind Charge Exchange. I also constrain their allowed compositions using state-of-the-art impact cratering models.These case studies yield immediate insights into planet formation and evolutionary processes. They also highlight synergies between the methods invented here and forthcoming facilities, including: Artemis Moon exploration initiatives, Venus atmospheric probes, the Vera Rubin Observatory, and high-resolution spectrographs on thirty-meter class telescopes. These methods have near-term potential to answer some of the most pressing questions in planetary science. Long-term, they establish the precedent for new types of planetary forensics.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798379781101Subjects--Topical Terms:

517668
Astronomy.
Subjects--Index Terms:

Planetary bodiesIndex Terms--Genre/Form:

542853
Electronic books.

High-Resolution Planetary Forensics.
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500 $a Source: Dissertations Abstracts International, Volume: 85-01, Section: B.
500 $a Advisor: Laughlin, Gregory;Fischer, Debra.
502 $a Thesis (Ph.D.)--Yale University, 2023.
504 $a Includes bibliographical references
520 $a Planetary bodies maintain records of their past and present states. These records are stored within atmospheric chemistry, interior petrology, and orbital dynamics. Often, they are corrupted by physical processes: irradiation, erosion, dynamical chaos, or collisions; or, their signatures are too weak for robust interpretation. These planetary bodies are "uncommunicative worlds." Examples of these worlds span our Solar System's planets, interstellar objects, and distant exoplanets. Only limited information can be gleaned by current-generation instruments. These objects require an innovative class of "planetary forensics" to elucidate their occurrence rates, formation pathways, and evolutionary histories.In this dissertation, I invent new techniques and unique combinations of existing ones to study these uncommunicative worlds. My methods draw from a common body of chemical, geological, and dynamical principles. I employ high-resolution tools, including high-spectral resolution observations, high-spatial resolution hydrodynamical simulations, and high-temporal resolution orbital integrations. I then apply these techniques within a series of case studies:I model the transport of Venusian impact ejecta to the lunar regolith. My findings indicate encouraging prospects for recovering an ancient fragment of Venus. Such recovery would reveal whether Venus once hosted liquid oceans of water.I determine the galactic mass burden of compact planet systems, remarkable for their uniformity in mass, radius, and orbital spacing. My analysis involves an aggregate Fourier technique inspired by cyclostratigraphy methods. Also, I implement a new model that relates stellar surface features to radial velocity perturbations, enhancing an ongoing survey of low-mass planet systems.I refine the cross-correlation method of studying exoplanet atmospheres. I subsequently make novel detections of molecules, atoms and ions. These species have profound implications for how hot Jupiters form and the internal structures of their atmospheres.I establish new avenues for characterizing the mysterious class of interstellar objects. The methods include in situ analysis of impact craters on the Moon and X-ray spectroscopy of solar wind Charge Exchange. I also constrain their allowed compositions using state-of-the-art impact cratering models.These case studies yield immediate insights into planet formation and evolutionary processes. They also highlight synergies between the methods invented here and forthcoming facilities, including: Artemis Moon exploration initiatives, Venus atmospheric probes, the Vera Rubin Observatory, and high-resolution spectrographs on thirty-meter class telescopes. These methods have near-term potential to answer some of the most pressing questions in planetary science. Long-term, they establish the precedent for new types of planetary forensics.
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538 $a Mode of access: World Wide Web
650 4 $a Astronomy. $3 517668
650 4 $a Astrophysics. $3 535904
650 4 $a Planetology. $3 546174
653 $a Planetary bodies
653 $a Planetary forensics
653 $a Solar System
653 $a Uncommunicative worlds
653 $a Planet systems
653 $a Venus
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