The Mars Helicopter aims to make the first powered flight on another planet when it takes off on Mars as part of the Mars 2020 mission. This video helps us learn a lot by visiting the drone right before it was mounted on the rover.
Some of the many challenges that the video covers Mars Helicopter will face are –
Fly in 1% of Earth’s atmosphere
Aircraft has to be very light
Surviving the Martian night:
The aircraft will have to fly autonomously, using its own sensor suite to determine how to fly