Geography · Astronomy - Sun
In a standard 11-year sunspot cycle, how long does it generally take for sunspot activity to rise to its peak and then decline?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Rises for 3 years and declines for 8 years
- 2Rises for 5.5 years and declines for 5.5 years inside a single sunspot cycle
- 3Rises for 22 years and declines for 22 years
- 4Rises for about 11 years and declines for the next 11 years across a complete Hale cycle✓
Correct answer
Rises for about 11 years and declines for the next 11 years across a complete Hale cycle
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