Tech Weird science: One of Saturn’s tiny moons is shaped like a walnut, another like a potato March 28, 2019March 29, 2019Doyle Rice, USA TODAYComments Off on Weird science: One of Saturn’s tiny moons is shaped like a walnut, another like a potato "Rather than being spherical, the (moons) are blobby and ravioli-like, with material stuck around their equators," NASA said in a statement.