伊朗里亚尔创历史新低，20亿美元外汇干预未能阻止跌势

yun2026

伊朗里亚尔创历史新低，20亿美元外汇干预未能阻止跌势

2026年10月，NASA发布好奇号火星车拍摄的清晨全景，展示夏普山远处受到风蚀的雅丹状崖壁。图像由2026年8月11日拍摄的六张照片拼接而成，保留了当地早晨的光照外观，没有采用多数同类照片使用的白平衡处理，因此近景与远方岩层呈现出不同色调。

相关地层沿夏普山西北部延伸约16公里。好奇号自2014年开始攀登这座山，近期累计爬升高度达到约一公里，为研究不同年代的沉积记录持续提供资料。科学家注意到，远处崖层的颜色与倾斜方向和周围环境不同，其来源仍不清楚，古代火山灰沉积是待检验的解释之一。火星车接下来将穿越富含硫酸盐和碳酸盐的区域，研究水环境逐渐干燥留下的证据，团队希望在2027年抵达崖壁底部。当前照片提供的是远距离观察线索，地层究竟如何形成，还需要近距离成像和机械臂仪器的数据进一步判断。

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