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Pasadena CA (SPX) Mar 14, 2006 Saturn's moon Dione steps in front of Tethys for a few minutes in an occultation event, something that occurs frequently in the Saturnian system, with its 34 known moons. NASA's Cassini spacecraft took the image Feb. 10 in visible light, from a vantage point close to Saturn's ring plane. Cassini captured the image with its narrow-angle camera at a distance of approximately 3.7 million kilometers (2.3 million miles) from Dione and 4 million kilometers (2.5 million miles) from Tethys. Resolution in the original image was 22 kilometers (14 miles) per pixel on Dione (1,126 kilometers, or 700 miles across) and 24 kilometers (15 miles) per pixel on Tethys (1,071 kilometers, or 665 miles across). Mission scientists magnified the image by a factor of two. Related Links Cassini at JPL Cassini Image Team
Saturns Moon Is Source Of Solar Systems Largest Planetary Ring
Pasadena CA (JPL) Mar 13, 2006Saturn's moon Enceladus is the source of Saturn's E-ring, confirms research published today. Writing in the journal Science, scientists show how a plume of icy water vapour bursting out of the South Pole of Enceladus replenishes the water particles that make up the E-ring and creates a dynamic water-based atmosphere around the small moon. |
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