Planetary Giant Impacts: Simulating Collisions and Their Consequences

This book examines the giant impacts that dominate many planets' late accretion and evolution using 3D smoothed particle hydrodynamics simulations with unprecedented high resolution. The numerical methods developed are publicly available, facilitating future studies of planetary impacts in our solar system and exoplanetary systems.

Format: Paperback / softback
Length: 125 pages
Publication date: 26 July 2021
Publisher: Springer Nature Switzerland AG

This captivating book delves into the intricate realm of giant impacts, which play a pivotal role in shaping the late accretion and evolution of numerous planets in our solar system and beyond. Through the meticulous execution of 3D smoothed particle hydrodynamics simulations achieved through unprecedented high resolution, the author presents a comprehensive examination of these colossal collisions. The innovative numerical methods developed in this study are now openly accessible, fostering significant advancements in our understanding of planetary impacts within our solar system and exoplanetary realms.

The book is organized into four compelling chapters, each exploring a distinct aspect of giant impacts. The first chapter focuses on the development of novel techniques to generate initial conditions and a hydrodynamical simulation code capable of evolving them using a staggering 1000 times more simulation particles compared to the previous standard. This groundbreaking approach ensures more accurate and detailed representations of the intricate dynamics involved in these collisions.

The second chapter delves into the numerical convergence of giant impact simulations, highlighting the limitations of standard-resolution simulations in capturing the full spectrum of impact phenomena. It sheds light on the challenges faced in accurately simulating the complex interactions between massive bodies, such as the post-impact rotation period of planets.

The third chapter explores the enigmatic collision believed to have tilted the planet Uranus on its side, offering a fresh perspective on this celestial event. Through meticulous analysis and cutting-edge simulations, the author sheds light on the mechanisms and forces at play, providing valuable insights into the formation and evolution of planetary systems.

The fourth and final chapter delves into the captivating realm of giant impact erosion, focusing on the atmospheric devastation caused by these collisions onto terrestrial planets. The author employs comprehensive 3D simulations to unravel the intricate processes involved, shedding light on the formation and evolution of planetary atmospheres and the impact of these collisions on the overall structure and composition of planetary systems.

In conclusion, this remarkable book offers a profound exploration of giant impacts, providing a comprehensive understanding of their role in shaping the universe. Through the development of innovative numerical methods and the presentation of detailed simulations, the author has paved the way for future studies of planetary impacts in our solar system and beyond. This work is a testament to the power of scientific inquiry and the endless possibilities that lie within the realm of astrophysics.

Weight: 244g
Dimension: 235 x 155 (mm)
ISBN-13: 9783030499600
Edition number: 1st ed. 2020