What Did Hubble Discover In The 1920s Quizlet?
What Did Hubble Discover In The 1920s Quizlet? Hubble, who, in the 1920’s, found galaxies beyond the Milky Way and discovered that the universe is expanding. What did Edwin Hubble discover quizlet? What did Edwin Hubble be the first to identify and what did he discover about galaxies? The first astronomer to identify other galaxies