Rhea in front of Saturn
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NASA/JPL/Space Science Institute
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1017 x 1018 Pixel (33553 Bytes)
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The Cassini spacecraft looks toward Rhea's cratered, icy landscape with the dark line of Saturn's ringplane and the planet's murky atmosphere as a background.
Rhea is Saturn's second-largest moon, at 1,528 kilometers (949 miles) across. This view looks toward the unilluminated side of the rings from less than a degree above the ringplane.
Images taken using red, green and blue spectral filters were combined to create this natural color view. The images were acquired with the Cassini spacecraft narrow-angle camera on July 17, 2007 at a distance of approximately 1.2 million kilometers (770,000 miles) from Rhea. Image scale is 7 kilometers (5 miles) per pixel.
Licence:
Public domain
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Rhea (měsíc)Rhea je měsíc planety Saturn. Objevena byla roku 1672 italsko-francouzským astronomem Giovannim Domenicem Cassinim. Doba jednoho oběhu kolem planety je 4,517500436 dne a rotace je vázaná. Teploty na povrchu se pohybují v rozmezí 53 až 99 K. .. pokračovat ve čtení