NASA's Ingenuity helicopter became the first...

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Monday, April 19, 2021: NASA’s Ingenuity helicopter became the first aircraft to make a powered, controlled flight on another planet (Mars)

The aircraft weighed 4 pounds on Earth, but just 1.5 pounds on Mars, which has lower gravity and a thin atmosphere. It lifted off from the floor of Jezero Crater around 3:34 am EDT.