Related Experiment Video
Updated: Aug 28, 2025

10:31
Isolation and Analysis of Microbial Communities in Soil, Rhizosphere, and Roots in Perennial Grass Experiments
Published on: July 24, 2018
55.0K
Testing Rover Science Protocols to Identify Possible Biosignatures on Mars: Achieving Sampling Goals Under a Highly
R Aileen Yingst1, Julie K Bartley2, Thomas J Chidsey3
1Planetary Science Institute, Tucson, Arizona, USA.
Astrobiology
|September 16, 2022
Summary
Preplanning rover paths on Mars analog sites did not save time or improve sample collection for habitability and biosignature research. Systematic observations are crucial for subtle environmental variations.
Area of Science:
- Planetary Science
- Astrobiology
- Geology
Background:
- Mars rover missions require efficient science operations planning.
- Identifying sites with habitability and biosignatures is a key mission goal.
- Decision-making protocols impact data acquisition and sampling strategies.
Purpose of the Study:
- To test two science operation methods for Mars rover missions.
- To evaluate planning protocols for data acquisition and decision-making.
- To inform efficient sampling location choices for habitability and biosignature research.
Main Methods:
- Field testing at a Mars analog site in Utah.
- Comparing a preplanned tactical day scenario with a fixed sol path scenario.
- Analyzing science return, cost savings, and sample collection efficiency.
Main Results:
- Preplanning sol paths did not yield cost savings or improve science return.
- Optimal biologically relevant sample collection was not enhanced by preplanning.
- Subtle facies variations necessitate systematic observations, as orbital resolution is insufficient.
- Spectral data provided chemical insights but did not guide traverse alterations.
- Terrain must be strategically accounted for in science planning.
Conclusions:
- Flexible tactical day planning is more effective than rigid sol path preplanning for Mars rover science operations.
- Systematic observations and terrain considerations are vital for successful habitability and biosignature research.
- Current operational strategies may need refinement to optimize sample selection and mission efficiency.

