Author Question: Although the Sun does not generate energy by gravitational contraction today, this energy-generation ... (Read 62 times)

cagreen833 · **on:** Jul 27, 2018

Although the Sun does not generate energy by gravitational contraction today, this energy-generation mechanism was important when the Sun was forming.

Indicate whether the statement is true or false

Question 2

Which of the following best describes how galaxies are distributed on large scales in the universe?

A) Galaxies are distributed in a great shell expanding outward from the center of the universe.
B) Galaxies are randomly distributed.
C) Galaxies are uniformly distributed.
D) Galaxies appear to be distributed in chains and sheets that surround great voids.
E) Galaxies are distributed in a hierarchy of clusters, superclusters, and hyperclusters.