It cannot be overstated: WE HAVE FLOWN A HELICOPTER ON ANOTHER PLANET. A little 4-lb drone lifted off the ground and flew for 30 seconds on Mars, a planet with only 1% of Earth’s atmosphere. WE DID IT. pic.twitter.com/E9zYHMVWF3

— Sophia Gad-Nasr (@Astropartigirl) April 19, 2021

This is huge.