<P> In cosmology , the Steady State theory is an alternative to the Big Bang model of the evolution of the universe . In the steady - state theory , the density of matter in the expanding universe remains unchanged due to a continuous creation of matter , thus adhering to the perfect cosmological principle , a principle that asserts that the observable universe is basically the same at any time as well as at any place . </P>
what is the meaning of steady state theory
the density of matter in the expanding universe remains unchanged due to a continuous creation of matter , thus adhering to the perfect cosmological principle , a principle that asserts that the observable universe is basically the same at any time as well as at any place