Bimodal orrery
Feb. 3rd, 2011 03:53 am![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
nancylebovhttp://dd.dynamicdiagrams.com/wp-content/uploads/2011/01/orrery_2006.swf
Copernican is more practical, Tychonian is prettier.
Link thanks to![[livejournal.com profile]](https://www.dreamwidth.org/img/external/lj-userinfo.gif)
theweaselking.
Copernican is more practical, Tychonian is prettier.
Link thanks to
theweaselking.
