Why does the rover on Mars have to fly itself​

Flying a helicopter on Mars is incredibly challenging for a bunch of reasons, including the very thin atmosphere (just 1% the density of Earth's), the power requirements, and the communications limitations.

And because its harder for people to get that far yet.

If the gravity on Mars is less than on Earth, how do things like equipment put on Mars not float off? The gravity on Mars is less than on Earth, but not zero. It is still enough to hold the planet together and things stay on the surface. ... The gravity is even less there.

Explanation:

answer: a tank of height h is filled with water and sits on the ground. water squirts from a hole at a height y above the ground and has a range r. for two y values, 0 and h, r is zero. determine the value of y for which the range will be a maximum.

explanation: