NASA's Cassini spacecraft will make its final close approach to Saturn's large, irregularly shaped moon Hyperion on Sunday, May 31. The Saturn-orbiting spacecraft will pass Hyperion at a distance of about 21,000 miles (34,000 kilometers) at approximately 6:36 a.m. PDT). Mission controllers expect images from the encounter to arrive on Earth within 24 to 48 hours.
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Saturn's moon Hyperion is somewhat irregular shaped, its dimensions are about 360.2 × 266 × 205.4 km. Is it believed to be composed largely of water ice and some rock. More on Hyperion here:
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Image credit: NASA/JPL/Space Science Institute http://1.usa.gov/1GJ2qcP
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