8A35.10 - Celestial Sphere

Code Number:
8A35.10
Demo Title:
Celestial Sphere
Condition:
Good
Principle:
Projection of Objects in the Sky, Ecliptic
Area of Study:
Planetary Astronomy & Constellations

Disclaimer

Equipment:
Celestial Globe and Support Stands.
Procedure:

No preparation necessary.  12, 16, and 30 inch celestial spheres are available.  The ecliptic and celestial planes are painted on the 12 inch globes with fluorescent paint and may have to be touched up occasionally.  The longitude and latitude lines are drawn on the 12 inch globes with permanent overhead projector pens and may also need to be touched up occasionally.

Colored tape was used on the larger two globes for the ecliptic and celestial plane lines.

References:
  • Joe Heafner, "A Primer on Some Celestial Geometry", TPT, Vol. 57, #4, Apr. 2019, p. 246.
  • R. H. Garstang, "A Sky Map", TPT, Vol. 25, #7, Oct. 1987, p. 438.
  • Dinah L. Moche and Thomas Como, "Versatile Celestial Globe for Introductory Astronomy", TPT, Vol. 18, #6, Sept. 1980, p. 465.
  • Jesse Pollard, "Astronomy and the Armillary", TPT, Vol. 10, #2, Feb. 1972, p. 96.
  • N. M. Duller, "Always Inrtoduce the Selestial Sphere with a Companion Earth-Sun Figure", AJP, Vol. 73, #11, Nov. 2005, p. 1030.
  • Hugo N. Swenson, "The Homocentric Spheres of Eudoxus", AJP, Vol. 31, #6, June 1963, p. 456.
  • John Sternig, Robert I. Johnson, and Larry Ciupik, "Celestial Globes", Earth Science Astronomy.
  • Janice VanCleave, "Sky Address", Constellations for Every Kid, p. 14 - 24.
  • Janice VanCleave, "Use the North Star to Determine Where You Live on Earth", Super Science Challenges, p. 22 - 23.
  • Janice VanCleave, "Demonstrate How the Sun Appears in Different Parts of the Sky During the Year", Super Science Challenges, p. 12 - 14.
  • D.Tattersfield, "The Celestial Sphere, The Planets", Project & Demonstrations in Astronomy, p. 51.

Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.