... have astronomy and astrophysics; and, at the scale of the whole universe, we have cosmology 2 Eureka! Physics of Particles, Matter and the Universe The primary thrust of physics is the intellectual ... Physics of Particles, Matter and the Universe Roger J Blin- Stoyle, FRS Emeritus Professor of Physics University of Sussex Institute of Physics Publishing Bristol and Philadelphia ... than the earth and therefore exerts less gravitational attraction Mass, on the other hand, is intrinsic to the body and has the same value 14 Eureka! Physics of Particles, Matter and the Universe...