Definitely developing goals! Planetary is just one of several examples (I hope).
DISCUSS GROUP GOALS
This course will become read-only in the near future. Tell us at community.p2pu.org if that is a problem.
I'm thinking of ASCIIMathML.js here http://www.squarecirclez.com/blog/enter-math-in-emails-forums-and-web-pages-using-asciimathml/2861
At least then we could do some math within p2pu.