A huge canyon can be seen on the face of Mars.

How can astronauts enter the Grand Canyon of Mars, Valles Marineris. explore?

There are many in the Mars exploration circles who see Valles Marineris as a “tell all” place, ripe for human exploration that can uncover the history of the planet and its ability to sustain microbial life.

That said, how can the multifaceted geology found at this site best be explored? Can future crews on the Red Planet safely dive into this massive canyon system? And what awaits those who explore a vast area branded as the Grand Canyon of Mars?

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