What is the author's tone in the book, Coming of the Age in the Milky Way?

Not surprisingly, the tone of the book, Coming of Age in the Milky Way by Timothy Ferris, is written in a teaching, professorial tone. Ferris is an emeritus professor of journalism at the University of California at Berkeley where he teaches his students to present all sides of an issue and to write only the facts and write them with clarity. He has followed his own ad vice in the writing of this book.