The Difficult Road to Mars: A Brief History of Mars Exploration in the Soviet Union - Paperback

by V. G. Perminov (Author)

Mars is the planet in our solar system thought to be most like Earth. The Martian period rotation is 24 hours, 37 minutes, and its angle tilt with respect to its orbital plane is about 64.8, compared to 66.5 of Earth. As a result, seasonal changes occur similarly to earth. This book is about learning more about Mars and eventually getting there.