Planetary Giant Impacts (Heftet)

Simulating Collisions and Their Consequences

Serie: Springer Theses 

Forfatter:

Forfatter:
Innbinding: Heftet
Utgivelsesår: 2021
Antall sider: 125
Forlag: Springer Nature Switzerland AG
Språk: Engelsk
Serie: Springer Theses
ISBN/EAN: 9783030499600
Kategori: Naturvitenskap
Omtale 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 of collisions in this regime.

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