https://www.vice.com/en_us/article/n7vymz/theres-a-hidden-binary-message-on-perseverances-mars-parachute

NASA released stunning new footage of the Perseverance rover’s touchdown on the surface of Mars on Monday, revealing the robot’s skyward view of the supersonic parachute that allowed it to slow down enough to safely land on the red planet.

In addition to the general awe of witnessing the final descent to an alien planet, the video contained a hidden message: keen-eyed space enthusiasts on social media noticed that the parachute displayed an unusual red-and-white pattern.