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The last sunspot cycle may have ended in December 2008 (Cycle 23).

However, due to lack of sunspot activity, scientist are unsure whether cycle 23 has ended yet, or whether cycle 24 is just starting.

A rough guess would place the timing around December 2009 but as with everything, nothing is certain, certainly not the sunspot cycle.

(The 11 year cycle is a mean value and cannot be taken as precise).

Given the approximate 11-year cycle, and assuming that cycle 24 started in January 2009, then the PEAK of sunspot activity should occur about 5 1/2 years from then, around summer 2014.

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Explosions that occur when the loops in sunspot regions suddenly connect?

solar flare


What is the longest period of time a sunspot might last?

Answer"If you are talking about the time from a sun spot minimum, through the next maximum, back to the next minimum, it's 22 years roughly. Individual sun spots can come and go in a few days or last for weeks".Not true. The average sunspot cycle is about 10.7 years in length, often rounded up to 11 years. From the minimum to the maximum is an average of about 4.8 years, and from the max down to the next minimum it is about 5.9 years. They typically rise quicker than they fall.A progression from minimum to maximum to minimum is a single sunspot cycle. Two sunspot cycles might run 19-23 years in length total, not one.


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Does maximum heating of Earth's surface occur?

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How is sunspot activity related to other kinds of solar activity?

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Related Questions

In what layer of the Sun's atmosphere do sunspot occur?

They occur on the photosphere of the Sun.


Each peak on the graph represents a sunspot maximum In which years do these maxima occur?

We'll get right to work on that one as soon as we get a look at the graph.


Explosions that occur when the loops in sunspot suddenly connect?

solar flare


How often do sunspots on the sun occur?

Sunspots occur in a cyclic pattern, with the number of sunspots reaching a maximum approximately every 11 years. This period of high sunspot activity is known as the solar maximum. Conversely, the period of minimum sunspot activity is known as the solar minimum.


How do you use the word sunspot in a sentence?

You should never look directly at the Sun to try to see a sunspot, as they are not as dark as they look in photographs. The magnetic disturbance that causes a sunspot will seldom occur in the same location twice.


Explosions that occur when the loops in sunspot regions suddenly connect?

solar flare


What are explosions that occur when the loops in the sunspot regions suddenly connect?

They are called the prominence.


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The highest point of a parabola is called the "maximum," while the lowest point is referred to as the "minimum." These points occur at the vertex of the parabola. If the parabola opens upwards, it has a minimum point, and if it opens downwards, it has a maximum point.


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Auroras occur most frequently during the mostintense phase of the 11-year sunspot cycle.


When does the next sunspot occurs?

Sunspots are unpredictable and can occur at any time. They follow an 11-year solar cycle, with peaks of sunspot activity happening roughly every 11 years on average. The next peak of sunspot activity is expected around 2024-2025.


How often do maximum sunspots occur?

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Do sunspot maximums always occur every 11 years?

yes. Inside a greater cycle of 22 years.