NASA studies bigger, better Mars helicopter
https://www.upi.com/Science_News/2021/07/15/mars-helicopter-future-NASA-Ingenuity/1871626194698/?fbclid=IwAR3Yy8hEvhNc3eGWMgaVMXmMUq7phAn6S05F-VpHhSV_s8ApFHti4wVxiZA Source Cited: www.upi.com Sign in to see full entry.
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