4 Reflective Anomalies around the sun - What are they doing?

"These UFOs may be as large as planet Earth." David Sereda http://www.coasttocoastam.com/article/solar-ufos

Original image at:

http://stereo-ssc.nascom.nasa.gov/browse/2010/03/04/behind/euvi/195/2048/20100304_001530_n7euB_195.jpg