Cassini to Perform its Final Flyby of Hyperion

On Sunday, May 31, the Cassini spacecraft will perform its last close pass of Hyperion, Saturn’s curiously spongelike moon. At approximately 9:36 a.m. EDT (13:36 UTC) it will zip past Hyperion at a distance of about 21,000 miles (34,000 km) - not its closest approach ever but considerably closer (by 17,500 miles/28,160 km) than it was when the image above was […]