What do astronomers mean when they say that the universe is homogeneous?
A) All stars in all galaxies have planetary systems just like ours.
B) The universe looks exactly the same no matter what direction you look.
C) Galaxies are generally distributed similarly throughout the universe.
D) Generally speaking, there is little difference between conditions on Earth, in the Sun, or in outer space.
E) The universe looks the same at all times in its history.

Question

Quizplus · Accepted Answer

The term "homogeneous" in cosmology means that, on a large scale, matter is evenly distributed throughout the universe, so galaxies are generally distributed similarly.

What Do Astronomers Mean When They Say That the Universe