Published 1999-08-02 by SAE International in United States
This paper will describe in some detail the results of study work recently conducted by the European Space Agency in respect of a Mercury Sample Return mission. It will also highlight the major design constraints that have been identified for the power systems of such a mission and then go on to summarise the fundamental system level and power supply differences, which would be required for similarly achieving the more challenging Venus Sample/return mission.
Ministry of Defence (Procurement Executive), Bath, Avon-C. M. Plumb
Published 1983-01-01 by Institution of Mechanical Engineers in United Kingdom
Changes occur for many reasons. They offer the prospect of making significant improvements but carry with them risk and other penalties. Over the last 160 years there have been several major changes. Historical or new factors could cause future changes and both areas are discussed.
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