What If the Earth Had Two Moons?
And Nine Other Thought-Provoking Speculations on the Solar System
Neil F. Comins is a professor of physics and astronomy at the University of Maine and author of popular scientific books, articles, and textbooks. He earned a Bachelor of Science degree from Cornell and a Ph.D. in astrophysics from University College, Cardiff, Wales.
304 pages; ISBN 9781429957939
Title: What If the Earth Had Two Moons?
Author: Neil F. Comins