How can astronauts explore Mars’ Grand Canyon, Valles Marineris


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

That said, how best to investigate the multifaceted geology in evidence at this site? Can future crews on the Red Planet dive safely into this huge canyon system? And what awaits those probing a vast region that’s been branded as the Grand Canyon of Mars?

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