• Feb 15, 2026 Chapter 31 Study For Content Mastery Answers Galaxies Amd The Ubiverse and has been expanding and cooling ever since Cosmic Microwave Background Radiation A faint uniform glow of radiation detected in all directions of space interpreted as the afterglow of the Big Bang Redshift of Distant Galaxies Light from distant galaxies is shifted towar BY Mrs. Myra Runte