Astronomy

The Sky and the Solar System

This text is in use at Iowa State University (ASTRO 120). It can be freely accessed, shared, downloaded, and modified.  It is available in a variety of file types along with associated ancillary materials at the link below this paragraph. Additionally, it is available in the Open Textbook Library, where it has also undergone peer review. Click here to read those reviews.

https://openstax.org/details/books/astronomy

Stars, Galaxies, and Cosmology

This text is in use at Iowa State University (ASTRO 150). It can be freely accessed, shared, downloaded, and modified.  It is available in a variety of file types along with associated ancillary materials at the link below this paragraph. Additionally, it is available in the Open Textbook Library, where it has also undergone peer review. Click here to read those reviews.

https://openstax.org/details/books/astronomy

 

 

 

License

Icon for the Creative Commons Attribution 4.0 International License

Exploring Open by Kathy Essmiller is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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