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Scientists produce graphical representations of the Sun's magnetic field lines everyday in all of the AIA extreme ultraviolet images as well as for the HMI magnetogram image (lower right).
Magnetic Field Lines Visualized

Many people may not be aware that scientists produce graphical representations of the Sun's magnetic field lines everyday in all of the AIA extreme ultraviolet images as well as for the HMI magnetogram image (lower right). They indicate how these field lines emerge, reach high above the Sun and connect the two magnetic poles of active regions (which appear brighter in the extreme UV images and black and white in the magnetogram image) and with other active regions as well. These images are identified as PFSS (Potential Field Source Surface) in a range of sizes under the images presented on The Sun Now section of the SDO home page. Viewers do not automatically see them unless they click on those links. We assembled a collage of four of these images to showcase what they look like. We invite you to go ahead and explore them! Credit: Solar Dynamics Observatory/NASA.

Page Last Updated: March 26th, 2014
Page Editor: Holly Zell