Teaching the History of Astronomy

I've been away from the blog for two weeks, but I'm going to try to get caught up.  So hopefully many posts in the next few days.  I...

The parallels between changes in astronomy and changes in art discussed in Hallyn's The Poetic Structure of the World has gotten me thi...

Today I finished reading Fernand Hallyn's The Poetic Structure of the World .  Hallyn analyzes similarities between the work of Copernic...

Today's activity involved determining the radii of the planetary orbits (in Astronomical Units) from observational data.  It is pretty s...

Copernicus' theory of a rotating and orbiting Earth manages to explain the daily motion of the sky and the annual motion of the Sun just...

Today we began our study of Copernicus.  The focus of today's activity was the three (really four) motions that Copernicus assigns to Ea...

Today we continued our exploration of Ptolemaic astronomy by focusing on size.  In particular, we figured out the ratio of the radius of the...