Module 5 The Conquest of the Universe
有一位私人太空游客Dennis Tito 计划筹集资金并于2018年将两个人送往火星。这次火星之旅将如何实施？这次火星之旅对Tito本人有着什么样的影响？
A US millionaire who was the first private space tourist has announced plans to send a man and a woman－probably a married couple－on a round trip to Mars in 2018.
Dennis Tito，a former rocket scientist who made his fortune through investments，said his Mission for America aims to bring a new era of space exploration.Tito，who paid the Russians $20 million for a ticket to the International Space Station (ISS) in 2001，outlined his plans in Washington DC.
