Scale of the Earth/Sun/Moon System



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 Code Number :   8A10.35? 

Disclaimer:

Reprinted by permission of Dick Berg, University of Maryland, for use on this website.

The demonstrations contained and referenced herein are listed for the purposes of cataloging and describing physics demonstrations which should be conducted only under the direction of a trained instructional support professional or physicist. These demonstrations are not presented for the purpose of being conducted by persons unconnected to this Facility and/or persons not consulting with or being supervised by the recognized instructional support professional or physicist and his/her staff. The University is responsible only for those demonstrations carried out using its own equipment using established safety and scheduling policies, and bears no responsibility for those choosing to use this source material for their own purposes. All demonstrations described and contained herein are public domain, and can also be found in reference materials in libraries, bookstores, and electronic sources.

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Condition :   Good   
Principle :   Relative Sizes  
Area of Study :  Solar System  
Equipment :   Earth, Sun, (Scale Models), Earth, Moon, (Scale Models), Page of Distances.

Procedure :   Make sure the teacher knows the size and distance relationships. In scale it should be the 12 inch diameter sun and the 1/8th inch diameter earth at 100 ft. distance apart. Also in scale the 1 inch diameter earth and the 1/4th inch diameter moon at 30 inches distance apart.  
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   References

Lars Broman, "A Model of the Solar System Improved by Means of Pinhole Optics", TPT, Vol. 11, # 8, Nov. 1973, p. 489.

 

Judith Lean, "Living with a Variable Sun", Physics Today, June 2005, p. 32 - 38.

 

Isaac Asimov,  "Worlds in Order," Science,  p. 140.

Janice VanCleave, "Sun Size," 202 Oozing, Bubbling, Dripping, & Bouncing Experiments, pp. 11.

1.45:  R.D. Edge, "The Size of the Sun," String and Sticky Tape Experiments.

R. Gardner, "A Hallway Solar System," Make an Interactive Science Museum, pp. 165-167.



Mail Questions and Comments to:  Dale Stille