15. Heliocentric System and Precession of the Tholos of Epidavros
The circular shape of the Monument represents two astronomical theories concerning the Sun: the Geocentric theory of the Sun's apparent course and the Heliocentric theory. In depth discussion of both aspects of this Greek monument.
16. Ancient Astronaut Theory Revisited
The Ancient Astronauts, the "gods". Speculations on where they came from, their technology, biotechnology, relative immortality, and their home in Orion.
17. Archaeoastronomy Pages
Links to all ancient astronomy related articles by James Q. Jacobs. Covers many cultures. Includes a bibliography and photos.