Mission To Mars -

Studying the history and current state of the Martian atmosphere.

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 Studying the history and current state of the

Mars is a hostile environment that dictates how equipment and habitats are designed: Mars - NASA Science known as "opposition

Getting to Mars requires overcoming massive gravitational and orbital hurdles: