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Updated: Feb 26, 2026

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Published on: February 12, 2013
The ADRON-RM Instrument Onboard the ExoMars Rover
I G Mitrofanov1, M L Litvak1, S Y Nikiforov1
11 Institute for Space Research , Russian Academy of Sciences, Moscow, Russia .
The autonomous detector of radiation of neutrons onboard rover at Mars (ADRON-RM) will analyze Martian subsurface water and elements. This neutron spectrometer is key for the ExoMars 2020 mission.
Area of Science:
- Planetary Science
- Space Exploration
- Nuclear Physics
Background:
- The ExoMars 2020 mission is a joint effort between the European Space Agency and Roscosmos.
- Understanding the composition of the Martian subsurface is crucial for future exploration and the search for life.
Purpose of the Study:
- To present the physical principles, design, capabilities, and planned operations of the ADRON-RM.
- To detail the ADRON-RM's role in studying water and neutron-absorbing elements on Mars.
Main Methods:
- Utilizing a compact passive neutron spectrometer (ADRON-RM).
- Analyzing neutron emissions to infer subsurface composition.
- Mapping the abundance and distribution of water and elements like Chlorine (Cl) and Iron (Fe).
Main Results:
- The ADRON-RM is designed for autonomous operation on the Martian surface.
- It will provide data on water and key elemental distribution in the Martian subsurface.
- The instrument's capabilities are tailored for the ExoMars rover's traverse.
Conclusions:
- ADRON-RM is a vital instrument for the ExoMars 2020 mission.
- Neutron spectroscopy offers a powerful method for in-situ analysis of planetary bodies.
- The mission will enhance our understanding of Mars's geological history and potential habitability.
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