A Decade of Sun

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"A Decade of Sun" is a 10-year time lapse video of the Sun taken by NASA's Solar Dynamics Observatory (SDO). The video was created by compiling one photo every hour from SDO's Atmospheric Imaging Assembly (AIA) instrument, which captures images of the Sun at 10 different wavelengths of light. The video shows the rise and fall of the Sun's 11-year solar cycle, as well as notable events such as solar flares and coronal mass ejections.

The video begins with a solar minimum, when the Sun's activity is at its lowest point. The Sun's surface is relatively calm, with few sunspots or other solar features. As the solar cycle progresses, the Sun's activity increases. Sunspots become more common, and solar flares and coronal mass ejections become more frequent. The video ends with a solar maximum, when the Sun's activity is at its highest point.

The "A Decade of Sun" video is a stunning visual representation of the Sun's dynamic nature. It provides a glimpse into the processes that drive the Sun's activity, and it helps us to better understand our closest star.

Here are some of the notable events that are shown in the video:

October 7, 2010: Lunar transit. The Moon passes in front of the Sun, temporarily blocking its light.
February 24, 2011: Trebuchet eruption. A large solar flare erupts from the Sun's surface.
June 7, 2011: Massive eruption. A powerful solar flare erupts from the Sun, sending a cloud of plasma into space.
December 15, 2011: Comet Lovejoy. The comet Lovejoy passes in front of the Sun, creating a beautiful sight.
June 6, 2012: Venus transit. Venus passes in front of the Sun, blocking its light for a few hours.
July 19, 2012: Raining Loops. A series of solar loops erupt from the Sun's surface.
August 31, 2012: Magnificent CME. A large coronal mass ejection erupts from the Sun, sending a cloud of plasma into space.
September 29, 2013: Canyon of Fire. A large sunspot complex appears on the Sun's surface.
October 23-28, 2013: Five days of flares and CMEs. A series of solar flares and coronal mass ejections erupt from the Sun.
The "A Decade of Sun" video is a valuable resource for scientists and the public alike. It provides a unique perspective on the Sun's activity, and it helps us to better understand our closest star.