X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fconfig%2Fepicycle.xml;h=94ce30d9176c8488ad70945ccb8f8f8f776eea01;hb=6afd6db0ae9396cd7ff897ade597cd5483f49b0e;hp=0d5aecb24c61ccd88d86a513a87e1f0a04a8aee7;hpb=c1b9b55ad8d59dc05ef55e316aebf5863e7dfa56;p=xscreensaver diff --git a/hacks/config/epicycle.xml b/hacks/config/epicycle.xml index 0d5aecb2..94ce30d9 100644 --- a/hacks/config/epicycle.xml +++ b/hacks/config/epicycle.xml @@ -39,11 +39,14 @@ + + <_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