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Hidden Moons Lurk in Saturn's Rings

Hiding inside Saturn's majestic rings are tiny moons that can barely be seen -- but they give themselves away by the "propellers" in their wake. ->

February 27, 2013
7:00 AM EST
Contact! The short, bright streaks of a propeller called "Bleriot" show the location of a mini-moon (NASA/JPL/SSI)
A propeller called "Earhart" casts a shadow on the rings in Aug. 2009 (NASA/JPL/SSI)