American Society of Civil Engineers  A Mapping Balloon for
Future Robotic and Human Lander Missions to Mars  by Klaus
Totzek, (Raumfahrt-Entwicklungszentrum REZ, An der Eisenbahn 1,
D-61267 Neu-Anspach, Germany, E-mail:, Anton Zylka, (Raumfahrt-
Entwicklungszentrum REZ, An der Eisenbahn 1, D-61267 Neu-
Anspach, Germany E-mail:, and Bernd Schäfer, (Raumfahrt-
Entwicklungszentrum REZ, An der Eisenbahn 1, D-61267 Neu-
Anspach, Germany E-mail: Section: Concepts for Autonomous
Explorations, pp. 1-8, (doi:       Access full text
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Document type: Conference Proceeding Paper Abstract: NASA’s 2004
Mars Exploration Rovers (MER) have greatly advanced our
understanding of Mars and set new standards in surface
exploration. The twin rovers "Spirit" and "Opportunity" have
been the first Landers on Mars with a mobility enabling them to
look what is hiding behind the horizon. That mobility is a great
achievement but also poses new problems. Choosing an initial
drive direction