NASA Catches The Sun in a Big Smiley Face Made of Wind (LOOK)
Just in time for Halloween, NASA released a photo of the sun “smiling”.
Their Solar Dynamics Observatory captured the cheery image, sharing it in a Tweet in late October.
The ‘smile’ we see here are made up of three coronal holes, solar fluctuations during which fast bursts of solar wind are released, NASA explained.
“Seen in ultraviolet light, these dark patches on the Sun are known as coronal holes and are regions where fast solar wind gushes out into space.”
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