sunspot activity sunspot cycle sunspot prominence sunspot prominency sun spot umbra sun visor sun wheel suounit super acid super-acoustic telegraphy superalkali superannealing superannuated superatmospheric pressure superaudible superaudio frequency super-audio telegraphy super bronze supercharge supercharged |
sunspot activity астр. активност на слънчевите петна Търсената дума е намерена |