Feb11 - SOLAR MAXIMUM SOLAR MINIMUM AURORA AURORAL ARCS ON...

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Unformatted text preview: SOLAR MAXIMUM SOLAR MINIMUM AURORA AURORAL ARCS ON SATURN AURORA VIEWED FROM SPACE SHUTTLE [Note Orion in background] AURORA OCCUR IN AN ARC AROUND THE MAGNETIC POLE SOLAR FLARE SPEWS OUT CHARGED PARTICLES, THESE COME TO EARTH, SPIRAL DOWN MAGNETIC FIELD LINES, MAKE ATMOSPHERE FLOURESCE CAUSING AURORA SOLAR FLARES SCREW UP RADIO COMMUNICATIONS FLARES FRY SATELLITE ELECTRONICS FLARES INDUCE HIGH VOLTAGES IN POWER GRIDS, FRY CIRCUITS, CAUSE BLACKOUTS SUNSPOT COUNTS G = Number of sunspot groups F = Number of individual (isolated) spots COUNT = 10*G + F Scaled counts for each observer, all averaged together 1 2 15 8 3 G = 5 F = 8+3+1+15+2 = 29 COUNT = 10*5+29 = 79 SUNSPOT CYCLE SUNSPOT CYCLE OVER THE CENTURIES PERIOD ~ 11 years [7-17 years] Peaks vary from 45 to 185 Highest peak in 1957 Steady rise from 1900-1957 Peaks from 1979 only go down MAUNDER MINIMUM The Sun was essentially spot-free from 1643 to 1715 This Maunder Minimum corresponds exactly to the reign...
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Feb11 - SOLAR MAXIMUM SOLAR MINIMUM AURORA AURORAL ARCS ON...

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