![The dark region seen on the face of the sun at the end of March 2013 is a coronal hole just above and to the right of the middle of the picture, which is a source of fast solar wind leaving the sun in this image from NASA Solar Dynamic Observatory.](https://images-assets.nasa.gov/image/PIA17669/PIA17669~orig.jpg?w=1024&h=1024&fit=clip&crop=faces%2Cfocalpoint)
Pulses from the Sun
The dark region seen on the face of the sun at the end of March 2013 is a coronal hole just above and to the right of the middle of the picture, which is a source of fast solar wind leaving the sun in this image from NASA Solar Dynamic Observatory.
TakenFebruary 11, 2014
ProducerJPL
Size1024x1024px
PIA NumberPIA17669