A few days ago came out the news of a small helicopter that will be part of the NASA Mars 2020 mission (see post https://www.facebook.com/PianetaMarte.MdM/posts/1699712090111977).
For those who are interested in the technical specifications of this project, I recommend reading this interesting NASA/JPL paper presented in early January at the Atmospheric Flight Mechanics Conference in Kissimmee, Florida.
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