Where in the universe does the "general" expansion occur?
A)only within individual galaxies, while the space between them and between clusters of galaxies remains static
B)everywhere in the universe, including our local space upon Earth, the solar system, our galaxy, and the space between galaxies
C)only in galaxy-sized and larger structures, such as clusters of galaxies and the voids between them
D)only in the space that separates clusters of galaxies

Question

Quizplus · Accepted Answer

The general expansion of the universe occurs in the space that separates clusters of galaxies, as galaxies themselves are gravitationally bound and do not expand with the universe.

Where in the Universe Does the "General" Expansion Occur