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Bookmark or Share- Sunspots - NASA ScienceThis video, captured by NASA’s Solar Dynamics Observatory between July 5 to 11, 2017, shows a sunspot moving across the Sun. Like freckles on the face of the Sun, sunspots appear to be small features, but size is relative: The dark core of this sunspot is actually larger than Earth.
- Sunspot - WikipediaSolar cycles last typically about eleven years, varying from just under 10 to just over 12 years. Over the solar cycle, sunspot populations increase quickly and then decrease more slowly. The point of highest sunspot activity during a cycle is known as solar maximum, and the point of lowest activity as solar minimum.
- Sunspots: What are they, and why do they occur? | SpaceSunspot positions also change throughout the solar cycle. During the solar maximum, many sunspots are found along mid-latitudes (approximately 30 degrees north and 30 degrees south).
- Sunspots - Solar and Heliospheric ObservatoryWorld Data Center for the Sunspot Index ; The Solar Cycle (Solar Cycle Science) •
- Sunspot regions | Solar activity | SpaceWeatherLive.comOn this page you'll find an overview of all the visible sunspot regions on the Sun together with their properties, images and the chances on solar flares or proton events. This page is updated daily and the sunspot images every hour.
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