Mars helicopter's blades spin to 50 rpm, Perseverance watches
Description
The Ingenuity helicopter's rotor blades were "spun to 50 rpm in preparation for first flight," according to NASA's Jet Propulsion Laboratory. The Perseverance rover captured several images of Ingenuity as it conducted the test.
Credit: Space.com | imagery: NASA/JPL-Caltech/ASU | produced & edited by [Steve Spaleta](http://www.twitter.com/stevespaleta)
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