2 questions first Annie Jump Cannon’s work served as a
foundation for twentieth-century
astronomy. true or false and the next|
Which of the following was NOT a major change that happened in Astronomy in the 1920’s?


A.Hubble’s ideas increased our understanding of the universe


B.Hubble’s work confirmed Einstein’s theory of relativity


C.America was the first to send a man to the moon


D.Annie Jump Cannon’s work served as a foundation for twentieth-century astronomy.