What's that dark spot on the Sun? It's the Moon. Last month, on June 21, a total solar eclipse was visible in parts of Africa. In one of the most spectacular records of this eclipse, Cees Bassa captured the setting Sun being eclipsed in a series of multiple exposures from Malambanyama, Zambia. All of the images were taken 20 minutes apart, and all but the central image were taken though a dark solar filter. Without the filter, the central image features the enormous flowing corona that surrounds