Planetary Giant Impacts
Simulating Collisions and Their Consequences
(Sprache: Englisch)
Based on 3D smoothed particle hydrodynamics simulations performed with unprecedented high resolution, this book examines the giant impacts that dominate many planets' late accretion and evolution. The numerical methods developed are now publicly...
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Klappentext zu „Planetary Giant Impacts “
Based on 3D smoothed particle hydrodynamics simulations performed with unprecedented high resolution, this book examines the giant impacts that dominate many planets' late accretion and evolution. The numerical methods developed are now publicly available, greatly facilitating future studies of planetary impacts in our solar system and exoplanetary systems.
The book focuses on four main topics: (1) The development of new methods to construct initial conditions as well as a hydrodynamical simulation code to evolve them, using 1000 times more simulation particles than the previous standard. (2) The numerical convergence of giant impact simulations -- standard-resolution simulations fail to converge on even bulk properties like the post-impact rotation period. (3) The collision thought to have knocked over the planet Uranus causing it to spin on its side. (4) The erosion of atmospheres by giant impacts onto terrestrial planets, and the first full 3D simulations ofcollisions in this regime.
Inhaltsverzeichnis zu „Planetary Giant Impacts “
Introduction.- Methods.- Uranus Giant Impacts and Convergence.- Atmospheric Erosion.- The Lunar Argon Exosphere.- Conclusions.
Autoren-Porträt von Jacob Kegerreis
Jacob Kegerreis obtained his Ph.D. in 2019 from the Institute for Computational Cosmology at Durham University, UK. He is now a postdoctoral fellow at the NASA Ames Research Centre, continuing work on simulations and consequences of giant impacts.
Bibliographische Angaben
- Autor: Jacob Kegerreis
- 2021, 1st ed. 2020, XXIII, 125 Seiten, 43 farbige Abbildungen, Maße: 15,5 x 23,5 cm, Kartoniert (TB), Englisch
- Verlag: Springer, Berlin
- ISBN-10: 303049960X
- ISBN-13: 9783030499600
Sprache:
Englisch
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