From the Sun with Love
This Solar Dynamics Observatory image of the Sun taken on February 1, 2013 in extreme ultraviolet light captures a heart-shaped dark coronal hole. Coronal holes are areas of the Sun's surface that are the source of open magnetic field lines that head way out into space. They are also the source regions of the fast solar wind, which is characterized by a relatively steady speed of approximately 800 km/s (about 1.8 million mph).
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Details
NASA ID
GSFC_20171208_Archive_e001549
Date Created
December 8, 2017
Center
GSFC
Media Type
image
Location
Greenbelt, MD
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