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To human eyes, Saturn’s moon Enceladus seems relatively simple. Take the wavelength away from the optics, however, and Enceladus begins to look much more interesting, as new images amply demonstrate. Although its surface is marked with chasms and deep gorges, Enceladus otherwise appears quite uniform, with a shimmering shell of white ice, like a giant …

In this image, captured by the Copernicus Sentinel-3 mission on September 16, fires can be seen burning on the west coast of the United States, with smoke moving east across the country. Meanwhile, Hurricane Sally is visible making landfall on the east coast to the right of the image. Hurricane Sally slammed into Gulf Shores, …