AST 6.1 PPT
Cosmology in the 21 st Century Chapter 18. This chapter marks a watershed in our study of astronomy. Since Chapter 1, our discussion has focused on learning.
Cosmology. Observation #1: universe is homogeneous and isotropic at large scales It cannot be stationary! It should expand or contract Observation #2:
Cosmology in the 21 st Century Chapter 18. With this chapter you have reached the limit of your journey in space and in time. You are now ready to study.
Cosmology Please press “1” to test your transmitter.
