NASA sun

in nasa •  7 years ago 

.@NASASun's Solar Dynamics Observatory watched an active region on the Sun — an area with intense, complex magnetic activity — rotate into view on April 18-19, seen here in extreme ultraviolet light. Check it out: https://t.co/efsG2ynpsX https://t.co/xrI9691kHX

nasa sun
7 years ago by

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