Planet formation -- observational constraints, physical processes, and compositional patterns
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arXiv
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866916220752625664 |
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| author | Mordasini, Christoph Burn, Remo |
| author_facet | Mordasini, Christoph Burn, Remo |
| contents | The goal of planet formation as a field of study is not only to provide the understanding of how planets come into existence. It is also an interdisciplinary bridge which links astronomy to geology and mineralogy. Recent observations of young stars accompanied by their protoplanetary disks (Manara et al. 2022) provide direct insights into the conditions at which planets are forming. These astronomical observations can be taken as initial conditions for the models of planet formation. In this chapter, we first give an brief overview of key observational constraints for planet formation theory derived from both the solar system and from the exoplanet population. We then review physical mechanisms governing planetary system formation and discuss how they can be put together to form global planet formation models. Finally, we discuss how the compositional links from protoplanetary disks to planetary atmospheres put novel constraints on planet formation theory. In particular, we are currently gaining insights into the composition of the inner, planet-forming region within the disks thanks to observations from the James Webb Space Telescope (Grant et al. 2023; Perotti et al. 2023). The task for planet formation modelling is then to link these observational properties and compositional content to the physical properties, and also the elementary inventory of meteorites, the Moon, Earth, and the other planets. If successful, this global approach can provide useful constraints for geological studies. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_15555 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Planet formation -- observational constraints, physical processes, and compositional patterns Mordasini, Christoph Burn, Remo Earth and Planetary Astrophysics Solar and Stellar Astrophysics Geophysics The goal of planet formation as a field of study is not only to provide the understanding of how planets come into existence. It is also an interdisciplinary bridge which links astronomy to geology and mineralogy. Recent observations of young stars accompanied by their protoplanetary disks (Manara et al. 2022) provide direct insights into the conditions at which planets are forming. These astronomical observations can be taken as initial conditions for the models of planet formation. In this chapter, we first give an brief overview of key observational constraints for planet formation theory derived from both the solar system and from the exoplanet population. We then review physical mechanisms governing planetary system formation and discuss how they can be put together to form global planet formation models. Finally, we discuss how the compositional links from protoplanetary disks to planetary atmospheres put novel constraints on planet formation theory. In particular, we are currently gaining insights into the composition of the inner, planet-forming region within the disks thanks to observations from the James Webb Space Telescope (Grant et al. 2023; Perotti et al. 2023). The task for planet formation modelling is then to link these observational properties and compositional content to the physical properties, and also the elementary inventory of meteorites, the Moon, Earth, and the other planets. If successful, this global approach can provide useful constraints for geological studies. |
| title | Planet formation -- observational constraints, physical processes, and compositional patterns |
| topic | Earth and Planetary Astrophysics Solar and Stellar Astrophysics Geophysics |
| url | https://arxiv.org/abs/2404.15555 |