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Epimetheus, Rings and Spokes

12 Jun 2017, 01:49 UTC
Epimetheus, Rings and Spokes
(200 words excerpt, click title or image to see full post)

NASA dixit:
“October 18, 2009. Orbiting near the plane of Saturn’s rings, the Cassini spacecraft looks across the span of the rings to spy the small moon Epimetheus. The brightest spoke is visible on the left of the image, but others can be seen near the middle of the image and elsewhere on the B ring.
This view looks toward the northern, sunlit side of the rings from about 1 degree above the ringplane. Cassini is closer to the rings than to Epimetheus (113 kilometers, or 70 miles across). Two background stars are visible. The image was taken in visible light with the Cassini spacecraft narrow-angle camera. The view was acquired at a distance of approximately 2.2 million kilometers (1.4 million miles) from Epimetheus. Image scale is 13 kilometers (8 miles) per pixel.”
“After almost 20 years in space, NASA’s Cassini spacecraft begins the final chapter of its remarkable story of exploration: its Grand Finale. Between April and September 2017, Cassini will undertake a daring set of orbits that is, in many ways, like a whole new mission. Following a final close flyby of Saturn’s moon Titan, Cassini will leap over the planet’s icy rings and begin a series of ...

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