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Updated: Jun 5, 2025

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Scattering And Absorption of Light in Planetary Regoliths
Published on: July 1, 2019
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Exploring, sampling, and interpreting lunar volatiles in polar cold traps.
Charles K Shearer1, Zachary D Sharp2, Julie Stopar3
1Institute of Meteoritics, Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131.
Summary
Exploring lunar volatile deposits for the Artemis Program is challenging due to cryogenic temperatures. Analyzing stable isotopes in these samples can reveal their origins and formation processes.
Area of Science:
- Lunar science
- Astrochemistry
- Planetary science
Background:
- Volatile deposits identified in lunar permanently shadowed regions (PSRs).
- Artemis Program aims to explore these deposits and return samples to Earth.
- Stable isotope analysis of volatiles can reveal sources and formation processes.
Purpose of the Study:
- To explore lunar volatile deposits for the Artemis Program.
- To analyze stable isotope characteristics of volatiles to understand their origins.
- To address the challenges of sampling, preserving, and analyzing cryogenic lunar samples.
Main Methods:
- Stable isotope analysis (e.g., δD) of volatile species.
- Sample collection, preservation, and curation at cryogenic temperatures.
- Investigating the technological demands and risks associated with cryogenic sample return.
Main Results:
- Stable isotope signatures, such as δD, can identify solar wind contributions.
- Cryogenic temperatures are essential for preserving volatile integrity.
- Technological challenges and risks are significant for cryogenic sample handling.
Conclusions:
- Understanding lunar volatile origins requires advanced stable isotope analysis.
- Cryogenic sample handling is critical for maximizing scientific return from Artemis missions.
- Overcoming technological hurdles is key to successful lunar volatile exploration.
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