对 Shoemaker 月球坑永久阴影地面 ShadowCam 图像的摄影地质学分析

IF 1.8 4区物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS Planetary and Space Science Pub Date : 2024-11-10 DOI:10.1016/j.pss.2024.105998

А.T. Basilevsky , S.S. Krasilnikov , Yuan Li

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引用次数: 0

摘要

对 Shoemaker 近极地月球陨石坑永久阴影底面和内坡下部的 ShadowCam 图像进行的光地质学分析证实了 Basilevsky 和 Li（2024 年）的结论，即 Shoemaker 底面的表面形态以小型（D < 1 公里）陨石坑群为主。希望未来的研究能够描述 ShadowCam 图像中看到的十米级陨石坑的形态和形态测量（尤其是 d/D）。肖梅克环形山内侧斜坡下部的表面长期处于阴影中，具有 "象皮 "纹理，这也是正常照明斜坡的典型纹理。因此，大多数表面形态问题都与月球正常照明区域的表面形态相同或非常接近。在永久阴影区的新发现是存在叶状边缘环形山，其形态可能表明目标物质中含有水冰。

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Photogeological analysis of ShadowCam images of the permanently shadowed floor of lunar crater Shoemaker

The photogeologic analysis of the ShadowCam images of the permanently shadowed floor and lower parts of inner slopes of the near-polar lunar crater Shoemaker confirmed the conclusion of Basilevsky and Li (2024)that the surface morphology of the Shoemaker floor is dominated by a population of small (D < 1 km) craters. Future studies hopefully will allow to describe the morphology and morphometry (especially d/D) of the decameter-scale craters seen in the ShadowCam images. The surface of the lower parts of inners slopes of crater Shoemaker, which are permanently shadowed, has the “elephant hide” texture, that is also typical for normally illuminated slopes. So, most issues of the surface morphology were found to be identical or very close to those in normally illuminated regions of the Moon. The new finding in permanently shadowed areas is the presence of lobate-rimmed craters, whose morphology is probably indicative of water ice in the target material.

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来源期刊

Planetary and Space Science 地学天文-天文与天体物理

CiteScore

5.40

自引率

4.20%

发文量

126

审稿时长

15 weeks

期刊介绍： Planetary and Space Science publishes original articles as well as short communications (letters). Ground-based and space-borne instrumentation and laboratory simulation of solar system processes are included. The following fields of planetary and solar system research are covered: • Celestial mechanics, including dynamical evolution of the solar system, gravitational captures and resonances, relativistic effects, tracking and dynamics • Cosmochemistry and origin, including all aspects of the formation and initial physical and chemical evolution of the solar system • Terrestrial planets and satellites, including the physics of the interiors, geology and morphology of the surfaces, tectonics, mineralogy and dating • Outer planets and satellites, including formation and evolution, remote sensing at all wavelengths and in situ measurements • Planetary atmospheres, including formation and evolution, circulation and meteorology, boundary layers, remote sensing and laboratory simulation • Planetary magnetospheres and ionospheres, including origin of magnetic fields, magnetospheric plasma and radiation belts, and their interaction with the sun, the solar wind and satellites • Small bodies, dust and rings, including asteroids, comets and zodiacal light and their interaction with the solar radiation and the solar wind • Exobiology, including origin of life, detection of planetary ecosystems and pre-biological phenomena in the solar system and laboratory simulations • Extrasolar systems, including the detection and/or the detectability of exoplanets and planetary systems, their formation and evolution, the physical and chemical properties of the exoplanets • History of planetary and space research