A gas cloud is tracked travelling towards the Sun
Copyright: SOHO/LASCO (ESA & NASA)
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These are special images that reveal motion, generated from the difference between normal images obtained a little earlier and a little later than the times shown. The Sun is indicated to scale by the yellow disk at bottom right. The featureless area around it shows the extent of the mask used for blocking all direct sunlight.
Last Update: 1 September 2019