Why so much solar activity? Sun may be outpacing predictions.

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Why so much solar activity? Sun may be outpacing predictions.
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Even after centuries of observations, the sun can still surprise scientists.

of the latest trend line, cycle 25's intensity might seem to be higher than expected. This apparently high activity is partly because the cycle began around six months earlier than scientists had anticipated — a natural difference, according to Miesch, who told Space.com that this cycle so far is still within the range of most predictions.

Current trends point to the sun having about 125 sunspots when cycle 25 peaks. That's more than the 115 sunspots visible at the peak of cycle 24, but still much lower than the 180 of cycle 23, which peaked in March 2000 and was about middling in recorded history.total solar eclipse of April 2024 , which will be visible from an arc across North America stretching from Sinaloa in Mexico to Newfoundland in Canada. A more active sun sports a more dynamic corona, the outer atmosphere of the sun that we can see only when the moon blocks out the main disk.In watching the sun, astronomers hope to gain more knowledge about the long-term trends that potentially drive these cycles.

For instance, over the past four solar cycles going back to the 1970s, each successive cycle has had a weaker peak than its predecessor.Related stories:

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