NASA has successfully test flown its helicopter on Mars.
See https://www.bbc.co.uk/news/science-environment-56799755 .
Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.
NASA has successfully test flown its helicopter on Mars.
See https://www.bbc.co.uk/news/science-environment-56799755 .
Southgate News has a report about the helicopter on the latest NASA Mars lander.
Mars will one day be explored by humans. For now, we have oribiting satellites and robots on the surface. The recent UAE satellite has been put in an orbit around the red planet.
This was one of Isambard Kingdom Brunel’s greatest projects.