• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Planetary and space science >Landing site rationality scaling for subsurface sampling on Mars-Case study for ExoMars Rover-like missions
【24h】

Landing site rationality scaling for subsurface sampling on Mars-Case study for ExoMars Rover-like missions

机译：针对类似ExoMars Rover的任务的Mars-Case研究进行地下采样的着陆点合理性缩放

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Subsurface sampling will be important in the robotic exploration of Mars in the future, and this activity requires a somewhat different approach in landing site selection than earlier, surface analysis focused missions. In this work theoretical argumentation for the selection of ideal sites is summarized, including various parameters that were defined as examples for the earlier four candidate landing sites of Mars Science Laboratory. The aim here was to compare interesting sites; the decision on the final site does not affect this work. Analyzing the theoretical background, to identify ideal locations for subsurface analysis, several factors could be identified by remote sensing, including the dust and dune coverage, the cap layer distribution as well as the location of probable important outcrops. Beyond the fact that image based information on the rock hardness on Mars is lacking, more work would be also useful to put the interesting sites into global context and to understand the role of secondary cratering in age estimation. More laboratory work would be also necessary to improve our knowledge on the extraction and preservation of organic materials under different conditions. Beyond the theoretical argumentation mentioned above, the size and accessibility of possible important shallow subsurface materials were analyzed at the four earlier candidate landing sites of Mars Science Laboratory. At the sample terrains, interesting but inaccessible, interesting and sideward accessible, and interesting and from above accessible outcrops were identified. Surveying these outcrop types at the sample terrains, the currently available datasets showed only 3-9% of exposed strata over the entire analyzed area is present at Eberswalde and Holden crater, and individual outcrops have an average diameter between 100 and 400 m there. For Gale crater and Mawrth Valles region, these parameters were 46-35% of exposed strata, with an average outcrop diameter of -300 m. In the case of the first two sites smaller and elongated outcrops were present in larger number, while in the second group average sizes of outcrops were around 3000 m in diameter. The analysis suggests that for future missions aimed at subsurface sampling, different exploration strategies would be ideal at different terrains, and the target terrain's characteristics should be taken into account during the planning phase of the mission.
机译：地下采样在将来对火星的机器人探测中将是重要的，并且与早期的以地表分析为重点的任务相比，该活动在着陆点选择上需要采用不同的方法。在这项工作中，总结了理想地点选择的理论论证，包括各种参数，这些参数被定义为火星科学实验室较早的四个候选着陆点的示例。这里的目的是比较有趣的网站；最终现场的决定不会影响这项工作。通过分析理论背景，以确定地下分析的理想位置，可以通过遥感识别几个因素，包括尘埃和沙丘覆盖，盖层分布以及可能的重要露头位置。除了缺乏有关火星岩石硬度的基于图像的信息这一事实之外，更多的工作也将有助于将这些有趣的地点放到全球环境中，并了解次级火山口在年龄估算中的作用。为了提高我们对不同条件下有机材料的提取和保存的了解，还需要进行更多的实验室工作。除上述理论论证外，还对火星科学实验室的四个较早候选着陆点进行了分析，分析了可能的重要浅层地下物质的大小和可及性。在样本地形上，识别出有趣但难以接近的，有趣且侧向可及的，有趣且从上方可及的露头。在样本地形上对这些露头类型进行调查，当前可用的数据集显示，在整个分析区域内，只有3-9％的裸露地层存在于Eberswalde和Holden火山口，并且单个露头的平均直径在100至400 m之间。对于盖尔火山口和莫尔斯·瓦勒斯地区，这些参数为裸露地层的46-35％，平均露头直径为-300 m。在前两个站点中，较小且细长的露头数量较多，而在第二组中，露头的平均大小约为3000 m。分析表明，对于未来针对地下采样的任务，在不同地形上采用不同的勘探策略是理想的，并且在任务的规划阶段应考虑目标地形的特征。

著录项

  • 来源
    《Planetary and space science》 |2012年第1期|78-90|共13页
  • 作者

    Akos Kereszturi;

  • 作者单位

    Konkoly Astronomical Institute, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences, H-1121 Budapest, Konkoly Thege Miktdsut 15-17, Hungary,Nagy Karoly Astronomical Foundation, Hungary;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    mars; rover; sampling; subsurface sampling; exomars rover;

    机译：火星;流浪者采样;地下采样;外星漫游者;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号