Table of contents: 1  Overview. 2  Detailed Reports Checklist. Statements Regarding Other IRS Filings and Tax Compliance. 3  Other organizations in North Carolina.  Affiliated organizations.
Answer: The amount of magnetic flux that rises up to the Sun's surface varies with time in a cycle called the solar cycle. This cycle lasts 11 years on average. This cycle is sometimes referred to as the sunspot cycle.
At peak times, like 2001, there are sunspots every day and more frequent solar flares and storms that could disrupt satellites. Snoozing sun: Sunspots may disappear for years The fact that they match up is a powerful indicator that the sunspot cycle may be going into hibernation.