#Ymir , or Saturn XIX, is the second-largest #retrograde #irregular #moonOfSaturn. It was discovered by #BrettJGladman, et al. in 2000, and given the temporary designation S/2000 S 1. It was named in August 2003 after Ymir, who in #NorseMythology is the ancestor of all the #Jotuns or frost giants.
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