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NASA Shares a Pictures ‘ SMILING SUN’

NASA Shares a Pictures ‘ SMILING SUN’

NASA Shares a Pictures ' SMILING SUN'

NASA Shares a Pictures ‘ SMILING SUN’

NASA’s Solar Dynamics Observatory photographed what appears to be a smile on the surface of the sun, but is actually a collection of spots on the sun’s surface that are cooler than the surrounding regions.

The image was captured by NASA’s Solar Dynamics Observatory and posted by the space agency last week. The post sparked a flood of comments from people speculating on what the pattern of unpredictable black dots might be. It was referred to as a “smiling” sun on the official NASA heliophysics department Twitter feed.

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