Astronomy

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

• 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.
• Frequently asked questions
  Questions about the Moon.
• Other oddments
  Heliacal rising and setting.
  Spherical coordinate systems.

- all the text on this website is my own and copyright. Feel free to quote me, with due acknowledgement. Thanks.