X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fconfig%2Fepicycle.xml;h=94ce30d9176c8488ad70945ccb8f8f8f776eea01;hp=09beb9a812b031dc0532f5e78b0ac7965ad2006c;hb=6afd6db0ae9396cd7ff897ade597cd5483f49b0e;hpb=dba664f31aa87285db4d76cf8c5e66335299703a diff --git a/hacks/config/epicycle.xml b/hacks/config/epicycle.xml index 09beb9a8..94ce30d9 100644 --- a/hacks/config/epicycle.xml +++ b/hacks/config/epicycle.xml @@ -42,10 +42,11 @@ <_description> +A pre-heliocentric model of planetary motion. + This draws the path traced out by a point on the edge of a circle. That circle rotates around a point on the rim of another -circle, and so on, several times. These were the basis for the -pre-heliocentric model of planetary motion. +circle, and so on, several times. http://en.wikipedia.org/wiki/Deferent_and_epicycle