The tiny helicopter Nasa built to survive 30 days on Mars ended up flying for nearly three years |
Nasa’s Ingenuity helicopter/Image: Nasa Flying a helicopter on Earth is a remarkable engineering achievement. Flying one on Mars, where the atmosphere is less than 1% as dense as Earth’s, was once considered nearly impossible. Yet on 19 April 2021, Nasa‘s Ingenuity helicopter achieved the first powered, controlled flight on another planet, proving that aerial exploration…
