An 800-year-old mathematical trick could help with lunar navigation. The trick, invented by Fibonacci, allows calculating the moon's shape with a rotating ellipsoid. This could make GPS-like systems more accurate and reliable for future lunar explorers. #moon #math #navigation https://www.sciencealert.com/an-800-year-old-math-trick-could-be-the-key-to-navigating-the-moon?utm_source=flipboard&utm_content=HariTulsidas%2Fmagazine%2FMind+and+Matter