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Updated: Jul 12, 2026

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Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface
Published on: July 30, 2020
Tenuous Surface Layer on the Moon: Evidence Derived from Radar Observations.
Summary
Radar observations of the moon reveal differences in backscattering based on wave polarization. These findings support a layered lunar surface model with a tenuous top layer over a denser one.
Area of Science:
- Planetary Science
- Radio Astronomy
- Geophysics
Background:
- Lunar surface properties are crucial for understanding planetary evolution.
- Radar observations provide insights into subsurface structures.
Purpose of the Study:
- To investigate lunar surface characteristics using radar backscattering.
- To determine the physical properties of the lunar regolith.
Main Methods:
- Utilized radar backscattering measurements of the Moon.
- Analyzed the difference in backscattering coefficients for different wave polarizations relative to the plane of incidence.
Main Results:
- Observed a systematic difference in radar backscattering coefficients based on wave polarization.
- The observed differences align with a two-layer model of the lunar surface.
Conclusions:
- The lunar surface likely consists of a tenuous top layer, at least 10 cm thick.
- This top layer is supported by a denser, underlying material, as indicated by radar data.
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