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Probably a balloon that would inflate after the probe entered the atmosphere would be the most practical. The probe could drift around for a time, at various altitudes sending back pictures if possible, but certainly other data as well. This may even work with Venus, if the upper atmosphere is cool enough, I don’t know what to expect for temps there, but certainly far too hot and too much pressure at the surface. And on Jupiter or Saturn there is no assessable surface at all as far as I know.
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Never attribute malice to what can adequately be explained by stupidity. Robert J. Hanlon |
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The proposed American Venus lander is supposed to land on the surface, grab a sample, send it up with a balloon from the surface and study it while hovering high up in the cooler atmosphere. That suggests even the atmosphere at the Venusian surface is not too hot or has too high pressure for a balloon to work during a limited time (or the ascend phase would be impossible).
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