“ Full circle Wow! These games are almost as fun as throwing a real ball around! Almost. :) (read full comment) ” 

Posted on February 9, 2010 at 2:10 PM EST

“ Two axes I took it to mean that the Earth's orbit is getting longer and skinnier, meaning the semi-major axis is expanding, but the semi-minor... (read full comment) ” 

Posted on January 14, 2010 at 2:16 PM EST

+ 2 more comments posted in this discussion