Q: The laws of what field of science apply to galaxies and atoms, an indication of the underlying unity in the universe?


Read this paragraph and choose the correct option from the provided answers:

Figure 1.1 Galaxies are as immense as atoms are small. Yet the same laws of physics describe both, and all the rest of nature—an indication of the underlying unity in the universe. The laws of physics are surprisingly few in number, implying an underlying simplicity to nature’s apparent complexity. (credit: NASA, JPL-Caltech, P. Barmby, Harvard-Smithsonian Center for Astrophysics).

 Choices:

- anthropology

- geology

- astronomy

- physics


A:
physics