This page no longer updated from 31 October 2001. Latest version can be found at Mariner

Program: Mariner. Objective: Planetary. Type: Venus. Overview: Mariner spacecraft were built by the Jet Propulsion Laboratory for early exploration of the nearby planets. The Mariner series became the first spacecraft to return significant data on the surface and atmosphere conditions of Venus, Mars, and Mercury. Major Events: .
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Last update 12 March 2001.
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© Mark Wade, 2001 .