The next decade of planetary science and astrobiology holds tremendous promise. New research will expand our understanding of our solar system's origins, how planets form and evolve, under what conditions life can survive, and where to find potentially habitable environments in our solar system and beyond. Origins, Worlds, and Life: A Decadal Strategy for Planetary Science and Astrobiology 2023-2032 highlights key science questions, identifies priority missions, and presents a comprehensive research strategy that includes both planetary defense and human exploration. This report also recommends ways to support the profession as well as the technologies and infrastructure needed to carry out the science.

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National Academies Of Sciences Engineeri; National Academies of Sciences Engineering and Medicine; Division On Engineering And Physical Sci; Space Studies Board; Committee on the Planetary Science and Astrobiology Decadal Survey

National Academies of Sciences, Engineering, and Medicine; Division on Engineering and Physical Sciences; Space Studies Board; Committee on the Planetary Science and Astrobiology Decadal Survey

Adobe Illustrator(R) 15.0

Proceedings of the National Academy of Sciences USA

Strategic Highway Research Program (SHRP)

National Academies Press

National Academies Press, Washington, DC, 2023

United States, United States of America

S.l, 2023

producers:
Adobe PDF library 9.90

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FrontMatter 2
Preface 10
Acknowledgment of Reviewers 14
Contents 16
Summary 22
1 Introduction to Planetary Science, Astrobiology, and Planetary Defense 31
2 Tour of the Solar System: A Transformative Decade of Exploration 49
3 Priority Science Questions 118
4 Question 1: Evolution of the Protoplanetary Disk 123
5 Question 2: Accretion in the Outer Solar System 151
6 Question 3: Origin of Earth and Inner Solar System Bodies 185
7 Question 4: Impacts and Dynamics 213
8 Question 5: Solid Body Interiors and Surfaces 240
9 Question 6: Solid Body Atmospheres, Exospheres, Magnetospheres, and Climate Evolution 267
10 Question 7: Giant Planet Structure and Evolution 299
11 Question 8: Circumplanetary Systems 320
12 Question 9: Insights from Terrestrial Life 345
13 Question 10: Dynamic Habitability 373
14 Question 11: Search for Life Elsewhere 403
15 Question 12: Exoplanets 428
16 State of the Profession 455
17 Research and Analysis 485
18 Planetary Defense: Defending Earth through Applied Planetary Science 515
19 Human Exploration 546
20 Infrastructure for Planetary Science and Exploration 565
21 Technology 583
22 Recommended Program: 2023-2032 613
23 The Future 658
Appendixes 663
Appendix A: Letter of Request, Statement of Task, and Other Guidance 664
Appendix B: White Papers Received 671
Appendix C: Technical Risk and Cost Evaluation of Priority Missions 694
Appendix D: Missions Studied But Not Sent for TRACE 725
Appendix E: Panel Missions Not Selected for Additional Study 737
Appendix F: Glossary and Acronyms 744
Appendix G: Biographies of Committee Members and Staff 755

2022-04-19