Study Plan

Learning Goals

By the conclusion of this chapter, you should be able to:
  1. Describe the distance ladder and how distances to galaxies are estimated.
  2. Sketch a graph of Hubble’s law, and explain why this relation implies that the universe is expanding.
  3. Describe how Hubble’s law is used to map the universe and to look back in time.
  4. Recount the major predictions made by the Big Bang theory.
  5. Link observations of the cosmic microwave background radiation to the properties of the young universe.

Prepare and Assess


Reassess and Apply

  1. Additional comments or issues to report:

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