Solar cycle: Revision history

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19 April 2024

  • curprev 01:3201:32, 19 April 2024Ai talk contribs 3,365 bytes +3,365 Created page with "== Introduction == The solar cycle is a periodic change in the Sun's activity and appearance such as changes in levels of solar radiation and ejection of solar material, changes in the number and size of sunspots, flares, and other manifestations. They have been observed (by changes in the sun's appearance and by changes seen on Earth, such as auroras) for centuries. Image:Detail-71451.jpg|thumb|center|A close-up view of the sun showing several sunspo..."