Caption: Animation of the Sun rotating, showing sunspots and prominences erupting from its surface. Prominences are loops of plasma in the atmosphere (corona) of the Sun, following the lines of magnetic fields. Sunspots are dark regions on the Sun's surface, formed when strong magnetic fields isolate a region of plasma, allowing it to cool and appear relatively dark against the hotter surface. They are associated with prominences and flares. The Sun has a cycle of activity that varies over some eleven years, with sunspots and flares increasing in number during active periods, until the magnetic poles of the Sun switch over at the height of activity, leading to a period of quiescence.

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Keywords: active, activity, animated, animation, astronomical, astronomy, astrophysical, astrophysics, atmosphere, cme, corona, cycle, flare, flares, granulation, line, lines, magnetic field, magnetism, max, maximum, physical, physics, polarity, prominence, prominences, reversal, rotating, rotation, solar, solar system, space, spot, spots, star, sun, sunspot, sunspots, surface

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Active Sun, animation

K003/9131 Rights Managed

Downloadable master

Duration: 00:00:24.01

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 651.3M


Capture format: QuickTime Animation

Codec: Photo - JPEG

Please contact Science Photo Library if you require the original, or other formats.


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