What does homogeneous mean in astronomy

All stars in all galaxies have planetary systems just like ours.Heterogeneous refers to a structure with dissimilar components or elements, appearing irregular or variegated.[adjective] of the same or a similar kind or nature.A liquid that is homogenous is called a solution.As soon as you add some milk, the mixture is not transparent any more.

These concepts are important because most modern cosmology is based on the cosmological principle, the assumption that, on large scales, the universe is both homogeneous and.Isotropy comes in many subjects like materials, physics, cosmology, chemistry, etc.~ assumed property of the universe such that the number of galaxies in an imaginary large cube of the universe is the same no matter where in the universe the cube is placed.Homogeneous definition, composed of parts or elements that are all of the same kind;You see an isotropic universe, since the hill is equally green and equally steep in all directions.

For example, a dermoid cyst has heterogeneous attenuation on ct.