Corotating Interaction Region ·
Parker Spiral
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.com · fast wind · slow wind · 27-day recurrence
Fast wind
— km/s
Slow wind
— km/s
Recurrence
—
Stage
—
Sun / coronal hole
Fast wind (700–800)
Slow wind (300–400)
Compression / shocks
Earth (1 AU)
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.com · Corotating Interaction Regions: Where Fast Solar Wind Rams Slow Wind