Days in the Sun:
This photograph is a compression of time (June 21st to December 21st in 2011) and is called a solargraph, a picture that captures the path of the Sun. The picture was taken using a pinhole camera made from a drink can lined with photographic paper. Pinhole cameras are typically used with time, the Sun, and astronomy in general. The gaps in the arcs are indicative of cloud cover, where as the continually bright streaks represent sunny weather. The trails are higher in June due to the summer solstice and sink in December due to the winter solstice.
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