Great Dark Spot English Great Dark Spot holes in the atmosphere Voyager 2 in 1989 English Great Dark Spot later Great Dark Spot Earth sized hurricanes English Gran Taca Fosca English English Earth sized hurricanes Great Dark Spot ಬೃಹತ್ ಗಾಢ ಚುಕ್ಕೆ dark spots ಬೃಹತ್ ಗಾಢ ಚುಕ್ಕೆ Great Dark Spot English Great Dark Spot English holes in the atmosphere Great Dark Spot English Great Dark Spot Earth sized hurricanes Great Dark Spot dark spots Great Dark Spot English English ಬೃಹತ್ ಗಾಢ ಚುಕ್ಕೆ English English Great Dark Spot English English English Great Dark Spot ಬೃಹತ್ ಗಾಢ ಚುಕ್ಕೆ Great Dark Spot Great Dark Spot Great Dark Spot anticyclone storm system Voyager 2 in 1989