The Sun on August 9, 1973

This image is of the surge in action in ultraviolet light of ionized helium. Simultaneous observations like this made possible an almost immediate understanding of the new-found cosmic phenomenon. The elbow prominence was accidentally photographed by Astronaut Owen Garriott (Skylab-3) while observing a small flare near the limb of the sun beneath the mighty arch on August 9, 1973.

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