If science is a pyramid, then the Physics is the base (serves all other branches), and the Astronomy is the top (uses all other branches). Math is the language of this pyramid.

Related Quotes

I think that modern physics has definitely decided in favor of Plato. In fact the smallest units of matter are not physical objects in the ordinary sense; they are forms, ideas which can be expressed unambiguously only in mathematical language.
Werner Heisenberg
languagemathmathematics