Monday, December 21, 2009

Overnight and Astronomy Thread


Tutulemma: Solar Eclipse Analemma
Credit & Copyright: Cenk E. Tezel and Tunç Tezel (TWAN)
Explanation: If you went outside at exactly the same time every day and took a picture that included the Sun, how would the Sun appear to move? With great planning and effort, such a series of images can be taken. The figure-8 path the Sun follows over the course of a year is called an analemma.
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