This program 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. Written by James
-Youngman.
+pre-heliocentric model of planetary motion.
+
+Written by James Youngman; 1998.
</_description>
</screensaver>