Understanding the Universe: An Introduction to Astronomy
![Understanding the universe cover](https://astro.berkeley.edu/wp-content/uploads/2019/06/24/understanding-the-universe-cover-420x315.jpg)
Publisher:The Great Courses (video lectures)
ISBN:http://www.thegreatcourses.com/courses/black-holes-explained.html
Publisher:The Great Courses (video lectures)
ISBN:http://www.thegreatcourses.com/courses/black-holes-explained.html