<p><strong>Fig. 6.13.</strong> The elliptical orbit of the earth around the sun. The distance between the earth and the sun is not to scale and the earth’s orbit has been greatly exaggerated.</p>

Fig. 6.13. The elliptical orbit of the earth around the sun. The distance between the earth and the sun is not to scale and the earth’s orbit has been greatly exaggerated.

Image by Byron Inouye