Mars helicopter Ingenuity’s historic 1st flights shed light on Martian dust dynamics

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Mars helicopter Ingenuity’s historic 1st flights shed light on Martian dust dynamics
France Dernières Nouvelles,France Actualités
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'There's a reason that helicopter pilots on Earth prefer to land on helipads.'

aboard its Sample Retrieval Lander, which is scheduled to launch in 2028 to help bring back to Earth samples gathered by Perseverance.

Keeping dust off solar panels of these spacecraft for as long as possible is key to helping them survive these storms. But the processes that contribute to dust behavior, like threshold wind conditions, have not been directly measured. In the latest study, researchers used advanced image processing techniques to calculate the amount of dust and deduced wind speeds for each of the six Ingenuity flights they analyzed. As one example of their methods, the team looked for slight changes in light intensities of individual pixels in the videos, which allowed them to calculate the sizes and masses of dust clouds.

When studying dust behavior, researchers factored in various conditions, of which a few were measurable: air pressure, humidity and temperature. To this end, numerous on Perseverance recorded these conditions each time Ingenuity flew. However, a few variables, such as the quantity of dust present at specific locations, was hard to calculate.

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