Reaching High Altitudes on Mars With an Inflatable Hypersonic Drag Balloon

The concept of probing the atmosphere of planet Mars by means of a hypersonic drag balloon, a device known as a “ballute”, is a novel approach to planetary science. In this concept, the probe deploys an inflatable drag body out in space and may then enter the atmosphere either once or several times until it slowly descends towards the ground, taking continuous atmospheric and other readings across a large altitude and ground range.
Hannes Griebel discusses the theory behind such a missio…

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