Which of these speeds are described by Hubble's law?
A) speeds of individual galaxies in the Local Group and other nearby galaxy clusters
B) speeds of superclusters of galaxies
C) speeds of stars in the Milky Way Galaxy
D) speeds of individual clusters of galaxies in the Milky Way's local supercluster

Question

Quizplus · Accepted Answer

Hubble's law describes the recession speeds of galaxies or superclusters of galaxies due to the expansion of the universe, which is observed at large scales beyond local gravitational influences.

Which of These Speeds Are Described by Hubble's Law