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Pasadena CA (SPX) Jun 21, 2006 NASA's Cassini spacecraft has captured two Saturnian moons meeting in the sky: Dione departs after crossing the face of Rhea for several minutes. Dione (1,126 kilometers, or 700 miles across), at right, has a notably smoother-looking surface than Rhea (1,528 kilometers, or 949 miles across), suggesting the former has been modified more recently. Cassini took the image in visible light with its narrow-angle camera on May 14, at a distance of approximately 2.7 million kilometers (1.7 million miles) from Dione and 3.1 million kilometers (1.9 million miles) from Rhea. The Sun-moon-spacecraft, or phase, angle is about 134 degrees on both moons. Image scale is 16 kilometers (10 miles) per pixel on Dione and 18 kilometers (11 miles) per pixel on Rhea. Related Links Cassini at JPL Cassini images
Scattered Ice In Scattered Light
Pasadena CA (SPX) Jun 15, 2006NASA's Cassini spacecraft provided this enhanced close-up view showing at least two distinct jets spraying a mist of fine particles from the south polar region of Saturn's moon Enceladus. The particles in the plume scatter sunlight most effectively at high Sun-Enceladus-spacecraft angles, or phase angles, making the plumes appear bright. |
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