As NASA's Cassini spacecraft prepares to shoot the narrow gap between Saturn and its rings for the second time, ring scientists are puzzled, that the region appears to be relatively dust-free. This assessment is based on data Cassini collected during its first dive through the region on April 26.

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Submitted May 01, 2017 at 09:56PM by God_Wills_It_ http://ift.tt/2pC0ctJ