Philip C. Steffey, Ph.D. Astronomy
http://home.earthlink.net/~pcstef/index.html popularAstronomy: scientific, archaic, educational, and popular.
Submitted in section: Archaeoastronomy: Philip C. Steffey, Ph.D. Astronomy
Astronomy: scientific, archaic, educational, and popular.
Submitted in section: Archaeoastronomy: Philip C. Steffey, Ph.D. Astronomy