Chapter 20 Solutions: Between the Stars
Brewer, James (author)
Problems and Solutions
http://rightsstatements.org/vocab/InC/1.0/http://creativecommons.org/licenses/by-sa/4.0/
British Columbia Institute of Technology
2019
3 pages
Astronomy ; Cosmic dust
https://openstax.org/books/astronomy/pages/20-thinking-ahead
