When we look out into the universe,far beyond the edges of our own local group of galaxies,we see objects traveling away from us equally in all directions.This shows that
A) the expansion must be the same everywhere in the universe,as we are not likely to be at the exact center of the universe.
B) we are at the exact center of the expanding universe.
C) there is absorbing matter distributed uniformly throughout the universe,which limits our view of the expansion.
D) we are at the very edge of the expanding universe.

Question

Quizplus · Accepted Answer

The fact that objects are traveling away from us equally in all directions suggests that the expansion must be the same everywhere in the universe, as we cannot be at the exact center of the universe. If we were at the center, the expansion would appear to be happening in a directional bias.

When We Look Out into the Universe,far Beyond the Edges