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On Mars
Although it was only designed for a ninety-day surface mission, the Viking 1 lander ultimately transmitted science messages to Earth for seven years. This authoritative history chronicles the remarkable achievements of the Viking program during its first three decades. Commissioned by NASA, it recounts the events surrounding the first planetary landing on Earth's closest neighbor and the first on-site search for evidence of extraterrestrial life. It also portrays a human drama in which thousands of professionals from government, industry, and academia joined together to accomplish the seemingly impossible. This history begins with a survey of the qualities that make the surface and atmospher...
Where No Man Has Gone Before
When the crew of Apollo 11 splashed down in the Pacific Ocean on July 24, 1969, Americans hailed the successful completion of the most complex technological undertaking of the 20th century: landing humans on the moon and returning them safely to earth. This document records the engineering and scientific accomplishments of the people who made lunar exploration possible. It shows how scientists and engineers worked out their differences and conducted a program that was a major contribution to science as well as a stunning engineering accomplishment.
On Mars
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