Series II: About Time
Article 1 4/22/99:
Length of Day
Article 2 4/29/99:
Celestial Sphere,
Article 3 5/6/99:
Matter of Degree
Article 4 5/13/99:
Sun Tracks
Article 5 5/20/99:
Plotting Along
Article 6 5/27/99:
Arc of the Sun
Article 7 6/3/99:
Does the Sun or Earth Move? (Part I)
Article 8 6/10/99:
Does the Sun or Earth Move? (Part II)
Constructing a Celestial Sphere
Instructions
Instrucciones
(instructions in Spanish)
Protractor
(print and cut out)
Whyville Square
Introduction
Series 1: Spinning
Times Entrance
Back to the Sun Spot
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