Lesson 1 - Lecture 4 - A Century of Astronomy - 2020 - OpenStax
Channel: Introduction to Astronomy - Wagner
Date: 21/10/2020

In this lecture, we will discuss some of the astronomical achievements that have occurred over the past century. 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/