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Biosignature Preservation and Detection in Mars Analog Environments
Lindsay E Hays1, Heather V Graham2, David J Des Marais3
11 Jet Propulsion Laboratory, California Institute of Technology , Pasadena, California.
Astrobiology
|February 9, 2017
Summary
This review explores Mars analog environments to understand biosignature preservation and detection. It highlights challenges and strategies for astrobiological exploration on Mars.
Area of Science:
- Astrobiology
- Planetary Science
- Geology
Background:
- Mars analog environments are crucial for understanding potential biosignatures.
- Past habitable environments on Mars require detailed study for biosignature preservation and detection.
- A conference on Biosignature Preservation and Detection in Mars Analog Environments provided key insights.
Purpose of the Study:
- To review and expand upon meeting materials concerning biosignature preservation and detection in Mars analog environments.
- To discuss the habitability and biosignature preservation potential of five primary analog environments.
- To outline challenges and influence strategies for the astrobiological exploration of Mars.
Main Methods:
- Review of conference materials and published literature.
- Detailed discussion of five primary analog environments: hydrothermal spring, subaqueous, subaerial, subsurface, and iron-rich systems.
- Analysis of challenges for orbital and ground-based observations and sample selection in these environments.
Main Results:
- Identified common challenges across analog environments for Mars exploration.
- Provided focused discussions on challenges specific to each analog environment.
- Highlighted how these challenges impact astrobiological exploration strategies and priorities.
Conclusions:
- Urgent needs include instrumentation development for biosignature detection.
- Continued exploration is vital to understand Mars's unique evolution and its implications for biosignatures.
- Effective strategies for Mars exploration depend on understanding analog environments and associated challenges.
