Simulations for History of Astrophysics
Epicycles Demo
Ptolemaic System
Ptolemaic Phases of Venus
Ptolemaic Orbit of Mars
Retrograde Motion
Planetary Orbit Simulator (NAAP)
Poll: Feedback on T01
To help demo the classroom polling system we’ll be trying out, please take the following poll. (It’s below the fold — click on “Read more”.) You can take it via text message or by clicking a link. There are two questions, p01 and p02 — be sure to scroll all the way [...]