Question

How we can go to mars without rocket fuel?
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Answer 1

Explanation:

To reach on mars we need maximum escape velocity that is,

V>e=√2GM/R

Ad we need liquid oxygen to burn fuel.

Answer 2

Answer:

A launch vehicle provides the velocity needed by a spacecraft to escape Earth's gravity and set it on its course for Mars. The Curiosity rover launched on a two-stage Atlas V-541 launch vehicle, provided by United Launch Alliance, a joint venture of Boeing Co. and Lockheed Martin Corp.