# Effects of the Lunar Regolith Structure and of the Solar Wind Properties on the Backscattered Energetic Neutral Atoms Flux

Sébastien Verkercke, Jean-Yves Chaufray, François Leblanc, Eduardo Bringa, Diego Tramontina, Liam Morrissey, Adam Woodson

► To cite this version:

Sébastien Verkercke, Jean-Yves Chaufray, François Leblanc, Eduardo Bringa, Diego Tramontina, et al. Effects of the Lunar Regolith Structure and of the Solar Wind Properties on the Backscattered Energetic Neutral Atoms Flux. EGU23, the 25th EGU General Assembly, Apr 2023, Vienna, Austria. pp.id. EGU-1163, 10.5194/egusphere-egu23-1163 . insu-04479571

HAL Id: insu-04479571

https://insu.hal.science/insu-04479571

Submitted on 4 Jun 2024

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<figure><img src="image_1.png" /></figure>

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# Effects of the Lunar Regolith Structure and of the Solar Wind Properties on the Backscattered Energetic Neutral Atoms Flux

Sébastien Verkercke, Jean-Yves Chaufray, François Leblanc, Eduardo Bringa, Diego Tramontina, Liam Morrissey, Adam Woodson

<figure><img src="image_1.png" /></figure>

## To cite this version:

Sébastien Verkercke, Jean-Yves Chaufray, François Leblanc, Eduardo Bringa, Diego Tramontina, et al. Effects of the Lunar Regolith Structure and of the Solar Wind Properties on the Backscattered Energetic Neutral Atoms Flux. EGU23, the 25th EGU General Assembly, Apr 2023, Vienna, Austria. pp.id. EGU-1163, 10.5194/egusphere-egu23-1163. insu-04479571

HAL Id: insu-04479571

https://insu.hal.science/insu-04479571v1

Submitted on 4 Jun 2024

HAL is a multi-disciplinary open access
archive for the deposit and dissemination of sci-
entific research documents, whether they are pub-
lished or not. The documents may come from
teaching and research institutions in France or
abroad, or from public or private research centers.

L'archive ouverte pluridisciplinaire HAL, est
destinée au dépôt et à la diffusion de documents
scientifiques de niveau recherche, publiés ou non,
émanant des établissements d'enseignement et de
recherche français ou étrangers, des laboratoires
publics ou privés.

<figure><img src="image_2.png" /></figure>

Distributed under a Creative Commons Attribution 4.0 International License
Chandrayaan-1
measurements of the
angular distribution of
the backscattered ENA
from the lunar surface.

a) observation geometry

<figure><img src="image_2.png" /></figure>

b) colorbars

<figure><img src="image_3.png" /></figure>

c) mean measured angular distribution

<figure><img src="image_4.png" /></figure>

d) modeled angular distribution

<figure><img src="image_5.png" /></figure>

Schaufelberger, A., et al.
"Scattering function for
energetic neutral
hydrogen atoms off the
lunar surface."
Geophysical Research
Letters 38.22 (2011).
Chandrayaan-1
measurements of the
angular distribution of
the backscattered ENA
from the lunar surface.

<figure><img src="image_3.png" /><figcaption>b) colorbars</figcaption></figure>

<figure><img src="image_4.png" /><figcaption>c) mean measured angular distribution</figcaption></figure>

<figure><img src="image_5.png" /><figcaption>d) modeled angular distribution</figcaption></figure>

<figure><img src="image_6.png" /></figure>

Schaufelberger, A., et al.
"Scattering function for
energetic neutral
hydrogen atoms off the
lunar surface."
Geophysical Research
Letters 38.22 (2011).