Astronomy

- People ask me about this stuff sometimes, so I thought I'd write some of it down. I hope it helps..

• Frequently asked questions
  Questions about the Moon.
• The relative motions of the Moon, Earth and Sun
  Orbiting; Spinning; Geometry; the Seasons; the Zodiac; Aries zero; Precession; the Tropics; Nodes; Months; Observing; Eclipses; Lunistices; Lunar standstills; Eclipse prediction.
• Other oddments
  Quarters and Eighths; The Rule of Twelfths; Heliacal rising and setting; Spherical coordinate systems; The Equation of Time.