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out in one of the Milky Way's spiral arms
the glowing shroud around a dying Sun-like star
Color in the view was created by digitally compositing ultraviolet
scientists discovered 51 Pegasi b
Frost-covered Dunes II Size:54" x 36" (137 cm x 91 cm) out in one of theDunes are often found on crater floors. In the winter, at high northern latitudes, the terrain is covered by carbon dioxide ice (dry ice). In the spring, as this seasonal ice sublimes, many unusual features unique to Mars are visible. On the floor of this crater where there are no dunes, the ice forms an uninterrupted layer. On the dunes, however, dark streaks form as surface material from below the ice is mobilized and deposited on top of the ice. In
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