Taylor talked a bit about the astronomical theory of the ice ages -- the orbital cycles and such of the Milankovitch theory, such as the 100,000 year variation in the eccentricity of the earth's orbit, the variation of the tilt of the earth's axis and the precession of the equinoxes.
(Taylor; talked; a bit; about the astronomical theory of the ice ages)
Taylor
talked
a bit about the astronomical theory of the ice ages