7. Cosmology is the study of the origin and future of the universe. Research how quantum mechanics has helped us better understand the origin of the universe. a) What observation did astronomer Edwin Hubble make in the 1920s about the galaxies in the universe? b) What discovery did Arno Penzias and Robert Wilson make in 19655 when they were testing a microwave antenna for satellite communications? 0) How has the big bang theory explained these tow experimental observations? (1) What particles do physicists think were present at the origin of the universe? e) How did the interaction of these particles change over times after the big bang occurred