From Disks to Planets
by Andrew N. Youdin, Scott J. Kenyon
Publisher: arXiv 2012
Number of pages: 70
This pedagogical chapter covers the theory of planet formation, with an emphasis on the physical processes relevant to current research. After summarizing empirical constraints from astronomical and geophysical data, we describe the structure and evolution of protoplanetary disks. We consider the growth of planetesimals and of larger solid protoplanets, followed by the accretion of planetary atmospheres, including the core accretion instability.
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A trans-Neptunian object is any minor planet in the Solar System that orbits the Sun at a greater average distance (semi-major axis) than Neptune. The Kuiper belt, scattered disk, and Oort cloud are conventional divisions of this volume of space.
by Elbert A. King - Lunar and Planetary Institute
The excitement of the Apollo program was that it accomplished a bold leap from the surface of the Earth to the Moon. The deed challenged our technology and engineering skill. Preparations are being made now for another and even more daring leap.
by J. S. Lewis, M. S. Matthews - University of Arizona Press
Parts of the solar system that are most accessible from Earth are rich in materials of great potential value. Immediate uses of these resources to manufacture propellants, metals, and fluids can support future large-scale space activities.
- National Academy of Sciences
This book surveys the current state of knowledge of the solar system and recommends a suite of planetary science flagship missions for the decade 2013-2022 that could provide a steady stream of important new discoveries about the solar system.