author
![arrow2](/theme_kuwaittimes/images/arrow2.png)
Kuwait Times
NASA's Ingenuity helicopter unlocks its rotor blades, allowing them to spin freely, on April 7, 2021, the 47th Martian day, or sol, of the mission, captured by the Mastcam-Z imager on NASA's Perseverance Mars rover on the following sol, April 8, 2021. - AFPThe helicopter that NASA has placed on Mars could make its first flight over the Red Planet within two days after a successful initial test of its rotors, the US space agency said Friday. The...