In an imaginary universe, astronomers find that there are thousands of galaxies within a few million light-years in all directions, but beyond those galaxies there is nothing but empty space.Such a universe would be
A) isotropic and homogeneous.
B) isotropic but not homogenous.
C) homogeneous but not isotropic.
D) neither homogeneous nor isotropic.
E) lacking any evidence for the Big Bang.

Question

Quizplus · Accepted Answer

The universe described is isotropic because it looks the same in all directions, but it is not homogeneous because the distribution of galaxies is not uniform beyond a certain distance.

In an Imaginary Universe, Astronomers Find That There Are Thousands