From Habitability to Life on Mars explores the current state of knowledge and questions on the past habitability of Mars and the role that rapid environmental changes may have played in the ability of prebiotic chemistry to transition to life. It investigates the role that such changes may have played in the preservation of biosignatures in the geological record and what this means for exploration strategies. Throughout the book, the authors show how the investigation of terrestrial analogs to early Martian habitats under various climates and environmental extremes provide critical clues to understand where, what and how to search for biosignatures on Mars. The authors present an introduction to the newest developments and state-of-the-art remote and in situ detection strategies and technologies that are being currently developed to support the upcoming Exo Mars and Mars 2020 missions. They show how the current orbital and ground exploration is guiding the selection for future landing sites. Finally, the book concludes by discussing the critical question of the implications and ethics of finding life on Mars. – Edited by the lead on a NASA project that searches for habitability and life on Mars leading to the Mars 2020 mission- Presents the evidence, questions and answers we have today (including a summary of the current state of knowledge in advance of the ESA Exo Mars and NASA Mars 2020 missions)- Includes contributions from authors directly involved in past, current and upcoming Mars missions- Provides key information as to how Mars rovers, such as Exo Mars and Mars 2020, will address the search for life on Mars with their instrumentation
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