
The stripes on Perseverance’s parachute were mostly there so engineers could see how the canopy was oriented, but the pattern also hid a message in binary, and the internet decoded it within hours of the landing — a motto, and a set of coordinates pointing at a spot on Earth
NASA engineers hid a secret message in the Perseverance rover's parachute stripes—one that amateur codebreakers cracked before the dust had settled on Mars.





