As time is infinite, Stephen Hawking’s book, A Brief History of Time, is an oxymoron. So might be, The Case for Space, by Dr. Robert Zubrin. Dr. Zubrin intriguingly takes us on a journey, of what was previously a seemingly impossible fantasy. His book turns “Space” into a logical and doable reality. This is a compelling summary of the world of space and space travel with insightful details of how to bring the vision of human space flight into short-term view. 由于时间是无限的，斯蒂芬·霍金的《时间简史》充满了悖论。罗伯特·祖布林博士的《赶往太空》
