Search results for: Solar Dynamics Observatory

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Enormous Coronal Hole

An elongated coronal hole rotated across the face of the sun this past week so that it is now streaming solar wind towards Earth (Jan. 2-5, 2017).

By |2017-02-01T19:33:11+02:00Jan 12, 2017|Categories: Astronomy|Tags: |


Magnificent time lapse sequences of the sun’s atmosphere observed by the Solar Dynamics Observatory (SDO) spacecraft between 2011 and 2015.

By |2017-09-18T20:34:23+03:00Apr 9, 2015|Categories: Astronomy|Tags: , |