Partial solar eclipses happen when the moon blocks only part of the sun's disk, as seen from Earth, casting regions of the planet in shadow.
当月亮遮住部分太阳时，日偏食发生了，就像从地球上看到的一样，使得地球上的部分地区笼罩在阴影中。
They noticed that acoustic waves were being generated along the edges of the moon's shadow, in a part of Earth's upper atmosphere known as the ionosphere.
他们注意到，在地球高层里称为电离层的那部分大气中，在沿着月球阴影的边缘上产生了声波。
Even in the darkest part of the shadow, clouds are so reflective that the small amount of sunlight escaping around the edge of the moon's disk is enough to illuminate them for MODIS 'view.
在MODIS的视野中，即使在日食带月球阴影最黑暗的部分，云层的反光强烈，使得仅有少量阳光透过月面(moon ' s disk)，照亮其边缘轮廓。
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