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Sundials and Apparent Solar Motion
Presented by: Leah Bueing, Dan Kowalczyk, Mary LaBissoniere, Mack Talcott
Getting Started - A Few Key Terms
The horizontal coordinate system describes the location of an object in space using azimuth (how far around) and altitude (how high).
Getting Started - Introduction to a Sundial
Gnomon (pernounced noh-mon)
Plate or base
Four Types of Sundials
Equitorial Sundial
Horizontal Sundial
Vertical Sundial
Polar Sundial
Mathematics of a Sundial the Use of
Sundials Around Campus
University of Washington Farm:
[image of light rays hitting ground]
Physics and Astronomy Building
An introduction to the Analemma: