It amazes me how late they fired up the landing engines/rockets... if there's any sort of malfunction or even a slight delay, your expensive robot goes splat.
Meanwhile Hayabusa2 data is starting to flow - seems like asteroids/sample return missions already confirm organic life in deep space but just not as sexy as Mars.
The milestone, which the MOXIE instrument achieved by converting carbon dioxide into oxygen, points the way to future human exploration of the Red Planet.