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The Amateur Astronomer’s Introduction to the Celestial SphereDate:
September 27, 2006
The Sweet House
254 E. Fulton
Grand Rapids, MI 49503 United States
Phone: (616) 892-9300
Professor Millar showed that as we learned more and developed ever more complex and ultimately accurate descriptions of the relative motions of the night sky and our planet and position within the changing models, the celestial sphere model was modified and grew to accommodate more data, but never really left us. Professor Millar came‰ÛÓaptly– full circle in his presentation, beginning and ending with discussion of the celestial sphere in how humankind has interpreted its place within it.
About William Charles Millar, MA
Professor of Astronomy, Grand Rapids Community College
Professor Millar is Professor of Astronomy at Grand Rapids Community College and has been teaching the subject for over twenty years. He is very involved with local amateur astronomy groups and belongs to The Planetary Society and the Astronomical Society of the Pacific and has traveled to Europe and South America to observe solar eclipses. In addition to his degree in astronomy, he holds a Masters degree in physics from Western Michigan University. His book ,The Amateur Astronomer’s Introduction to the Celestial Sphere is an introduction to the night sky for amateur astronomers who desire a deeper understanding of the principles and observations of naked- eye astronomy. Professor Millar has taught for 26 years at GRCC; with subjects ranging from mathematics and physics to astronomy and is in the process of garnering his PhD.