Lesson 2 - Lecture 1 -The Celestial Sphere - 2020 - OpenStax
Channel: Introduction to Astronomy - Wagner
Date: 2020-10-22

Introduction to astronomy lecture on the celestial sphere. 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/