Mission To Mars -

The heavier the payload (rovers, habitats, or fuel), the more powerful the rocket must be to escape Earth's gravity.

Earth and Mars align favorably only every 26 months . This alignment, known as "opposition," minimizes the fuel needed for the roughly 300-million-mile trip. Mission to Mars

Testing technologies for landing large payloads and surviving the harsh environment. 2. Launch Logistics The heavier the payload (rovers, habitats, or fuel),