Dust Gas Instabilities In Protoplanetary Disks
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Dust-Gas Instabilities in Protoplanetary Disks
How planets form is one of the long-standing questions in astrophysics. In particular, formation scenarios of planetesimals which are kilometer-sized bodies and a precursor of planets are still unclear and under debate although some promising mechanisms have been proposed. This book highlight disk instabilities that have the potential to explain the origin of planetesimals. Using linear analyses and numerical simulations, it addresses how a disk evolves through the development of instabilities, and also presents a new instability driven by dust coagulation. As a result, the simulation demonstrates a scenario of planetesimal formation: A successive development of multiple instabilities triggers planetesimal formation in resulting dusty rings.
Comets III
Author: Karen J. Meech
language: en
Publisher: University of Arizona Press
Release Date: 2024-12-17
Comets III brings a comprehensive update to the latest breakthroughs in comet science over the last twenty years and showcases how recent space missions and advancements in telescopic observations have revolutionized our understanding of these celestial bodies. With the contributions of more than eighty authors spanning twenty-five chapters, Comets III investigates the early solar system origins of comets and the clues provided by the composition and distribution of their present population for their long-term dynamical evolution and interrelations with other members of the solar system. Organized thematically, each section is designed to enable connections across disciplinary boundaries in both planetary science and planetary formation astrophysics. This comprehensive volume explores recent advancements in space missions, telescopic observations, and robotic surveys, providing new understandings of the origins and dynamics of comets. Intended for both researchers and students, Comets III offers insights into unresolved questions and sets the stage for future advancements.
Planetesimals
Author: Linda T. Elkins-Tanton
language: en
Publisher: Cambridge University Press
Release Date: 2017-01-26
16.3 Planetesimals and Planetary Debris Disks