Answer:
eccentricity and orientation in that order
Explanation:
If you could dig a tunnel right through the Earth you could theoretically free-fall to the centre of our planet in just eighteen minutes. You can’t, of course: such a tunnel would have to tolerate temperatures as high as the surface of the Sun and pressures three and a half million times greater than those at the Earth’s surface.
Desert. lots and lots of desert. all desert
Enlightment and other things
