NASA NTRS · 19730003107
Introduction: Mission Opportunities and Models
Abstract
NASA's current plans and priorities through the mid-1980s are briefly presented including the fly-thru mission to Comet d'Arrest in 1976, Grand-Tour missions to the outer planets, and the Venus Explorer program.
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Sirri, N.. 1972-07-01. Introduction: Mission Opportunities and Models. https://ntrs.nasa.gov/citations/19730003107
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