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火星探测器火星探测器的评估 预测着陆地点
M P Golombek1, R E Arvidson, J F Bell
1Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA. mgolombek@jpl.nasa.gov
Nature
|July 8, 2005
概括
遥感数据准确地预测了火星探测车的安全火星着陆地点. 然而,从轨道上对地表材料的地质解释不那么确定.
科学领域:
- 行星科学 行星科学
- 遥感 遥感 遥感 遥感
- 火星的探索火星的探索
背景情况:
- 在火星上选择安全的着陆地点对于任务的成功至关重要.
- 之前的任务依赖于有限的数据来选择地点.
研究的目的:
- 评估遥感数据在预测火星着陆地点安全性和地表地质方面的准确性.
- 评估遥感对于未来火星着陆地点选择的有效性.
主要方法:
- 对古塞夫坑和Meridiani Planum的遥感数据的分析.
- 预测着陆现场条件与探测器遇到的条件的比较.
主要成果:
- 遥感器准确地预测了两个火星着陆地点的大气密度,安全表面和交通能力.
- 古塞夫火山口被正确地确定为低浮雕和尘土;Meridiani Planum作为一个黑暗的,基岩平原,几乎没有岩石.
- 遥感地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质地质.
结论:
- 遥感对于选择安全和可通行的火星着陆地点是非常有效的.
- 从轨道上了解地表地质仍然具有挑战性,突出了固有的模两可.
- 未来的火星着陆地点选择工作将从全面的遥感分析中受益.
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