Superimposed on the diurnal rotation is an annual rotation caused by the Earth's orbiting the Sun.
(Superimposed on the diurnal rotation; is; an annual rotation caused by the Earth's orbiting the Sun) (an annual rotation; caused; by the Earth's orbiting the Sun) (the Earth's; orbiting; the Sun)
Superimposed on the diurnal rotation an annual rotation the Earth's
is caused orbiting
an annual rotation caused by the Earth's orbiting the Sun
by the Earth's orbiting the Sun
the Sun