ASTRONOMY - PLANETARY ASTRONOMY - SOLAR SYSTEM MECHANICS NC State University Faculty Access

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Pinhead Earth
# 8A10.40


Description: A common pin and 30 gauge (.010") wire are mounted in a small Styrofoam block about 1 1/4" apart. The sun/earth/moon system is scaled when a softball is held 40' away. Pass the earth/moon around the class.

Purchased/Built: built

Setup Time: 10 min

Quant. in Demo Room: 1


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