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XytRaindrop Falling On Sand Looks Just Like A Tiny Asteroid. So tiny… so sparkle. This remarkable image is actually a composite of hundreds of images created using satellite data collected at night. This image of Earth’s city lights was created with data from the Defense Meteorological Satellite Program (DMSP) Operational Linescan System (OLS). Originally designed to view clouds by moonlight, the OLS is also used to map the locations of permanent lights on the Earth’s surface. The Seven Acts of Mercy.
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