In the last 15 years several balloon mission concepts have been proposed for Mars and Venus, one of them - Russian-French Mars Aerostat - was extensively developed in 1988-1995 but was terminated before completion.
Recent progress in planetary balloons
15th ESA Symposium on European Rocket and Balloon Programs and Related Research
2001-05-28
Conference paper
No indication
English
Recent Progress in Planetary Balloons
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