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Uploaded on Oct 31, 2011
This short film depicts the sun as observed from The High Altitude Observatory of Harvard University and The University of Colorado. It was photographed in hydrogen light with motion sped up 200 to 1200 X. The pictures cover an area 500K miles wide by 400K miles high. It shows prominences, clouds of luminous gasses assuming various characteristic forms. Circa late 1950s, early 1960s. For more historical items about researching the sun, check out our digital collections at http://bit.ly/XV769h