Lesson 26 - Lecture 3 - The Expanding Universe - 2020 - OpenStax
Channel: Introduction to Astronomy - Wagner
Date: 2020-11-15

In this lecture, we will discuss the expansion of the universe. We will look at the early discoveries of the expansion and try to understand how this expansion works. These lecture videos are designed to complement the content in the OpenStax Astronomy textbook. The book can be downloaded free of charge at: https://openstax.org/details/books/astronomy/