Helium Isotope (IMAGE)

Southwest Research Institute

Helium Isotope

Caption

SwRI scientists located the source of highest-ever concentration of a rare helium isotope emitted by the Sun. In this Solar Dynamics Observatory extreme ultraviolet image, the blue arrow marks a small bright point located at the edge of a coronal hole (outlined in red) that was the source of the phenomenon.

Credit

NASA/SDO/AIA

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