The surprising picture of the sun has been shared by NASA.

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NASA has shared a smiling picture of Sun which looks incredible.

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Black spots are visible in the image which looks like Sun is smiling.

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An area where very little radiation is emitted, but a dark area is formed.

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That's why the sun is smiling

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This dark area is called a coronal hole.

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Every 12 seconds, the organization photographs the Sun in ten different wavelengths of ultraviolet light.

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SDO also studies how energy is stored in the SUN's atmosphere.

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NASA is still releasing the picture of the smiling face of the sun.

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Coronal holes cannot be seen with the naked eye or binoculars.

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Coronal holes are visible only in ultraviolet and x-ray light.

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