- The Essential Cosmic Perspective, fourth ed. 2008
- Essentials of Astronomy, Motz & Duveen, second print. 1967
- Sky and Telescope, April 2011
- Sky and Telescope, July 2010
- Design & Origins in Astronomy, George Mulfinger, 3rd print. 1996
- Sky and Telescope, June 1999
- Sky and Telescope, April 2003
- Sky and Telescope, August 2010
- Galaxy, Exploring the Milky Way, Stuart Clark, Fall River Press, 2008 ed.
- Sky and Telescope, May 2011
- Starlight and Time, Russell Humphreys, 6th print. 2000
Like this:
Like Loading...
The Patterns of Things in the Heavens