Chapter One - The Celestial Sphere

• Finding The Center
• The Celestial Sphere
• Mapping The Celestial Sphere
• Watching The Celestial Sphere From The Ground
• Celestial Time
• The Milky Way
• The Ecliptic

But I am Constant as the Northern Star,
Of those time-fixed and resting quality
There is no fellow in the firmament.
The skies are painted with unnumb'red sparsk,
They are all fire and every one doth shine;
But there's but one in all doth hold his place.

Julius Caeser, III.i.60-65 

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