Sun's surface, NASA. 太陽表面

A dynamic swirling mass of plasma is seen spinning above the Sun's surface for over 36 hours on June 16 - 17, 2013, in this handout image provided today by NASA. The mass was accompanied by two smaller prominences, which were also being pushed and pulled around by magnetic forces, according to NASA. (Solar Dynamics Observatory via Reuters)
Pictures of the Week: 07.21 – 07.27 2013 | CLIK/HEAR | Multimedia, photography, video showcase of The Palm Beach Post http://clikhear.palmbeachpost.com/2013/potw/pictures-of-the-week-07-21-07-27-2013/

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