The tiny dot of land was a mud volcano, and it was still visible on January 11, 2011, when the Advanced Land Imager (ALI) on NASA's Earth Observing-1 (EO-1) satellite acquired the top image.
这小块陆地是一座泥火山，直到2011年1月11日还可看见，图1为美国航空航天局地球观测1号卫星的高级陆地成像器当天所拍摄。
Solar eclipse may cause a shadow on satellite visible imagery. So it would have impact on analyzing and applying the information of satellite image in practice.
日食发生时，卫星可见光云图上受其影响区域会出现明显的阴影，使该区域的信息无法得到分析和利用。
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