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.
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