In relation to the universe, what does "isotropy" mean?
A) The universe has the same expansion speed at all distances.
B) The universe is the same at all distances.
C) The universe at any given distance is the same at all times.
D) The universe looks the same in all directions.

Question

Quizplus · Accepted Answer

Isotropy in the context of the universe means that the universe appears uniform and the same in all directions, regardless of the location of the observer. This concept is a cornerstone of the cosmological principle, which assumes that the large-scale structure of the universe is homogeneous and isotropic.

In Relation to the Universe, What Does "Isotropy" Mean