在月球上检测到吸附水和基
1U.S. Geological Survey, Mail Stop 964, Box 25046 Federal Center, Denver, CO 80227, USA. rclark@usgs.gov
Science (New York, N.Y.)
|September 26, 2009
概括
卡西尼号是卡西尼号的一个小行星.
科学领域:
- 月球科学 月球科学
- 行星地质学 行星地质学
- 频谱学是一种光谱学.
背景情况:
- 月球表面的组成对于了解它的历史和资源潜力至关重要.
- 以前的研究表明,月球上水的存在有限,主要是在永久阴影下的极地地区.
研究的目的:
- 为了研究在阳光照亮的月球表面上水和基的存在和分布.
- 分析光谱数据以寻找与水有关的分子的证据.
主要方法:
- 利用卡西尼号航天器上的视觉和红外映射光谱仪 (VIMS) 的数据.
- 分析的光谱吸收率约为3微米 (水) 和2.8微米 (基).
主要成果:
- 在阳光照亮的月球表面检测到显著的吸收特征,表明吸附的水和基.
- 量化水含量在百万分之10至1000之间,局部较高度.
- 在较低度的无orthositic高地观察到微量基.
结论:
- 阳光照亮的月球表面含有大量的吸附水和.
- 极地地区的水可能从较低的度迁移到较冷的环境.
- 这些发现对月球资源利用和月球的地质演变有影响.
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