An "analemma" is one of the most amazing photographic challenges you can go after. It requires taking a picture of the sun at the exact same time (within 15 seconds) from the exact same place over the course of the year. The result is a figure 8 in the sky. But what can we tell from this series of photographs? Why is it a figure 8? Can we pick out any key dates throughout the year like solstices and equinoxes? Find out in this episode of cosmic questions with Spaceman Steve!
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