Oct 12

The Solar System’s grandest canyon

Source: ESA

Valles Marineris.
Image credits: ESA/DLR/FU Berlin (G. Neukum)

Earth’s Grand Canyon inspires awe for anyone who casts eyes upon the vast river-cut valley, but it would seem nothing more than a scratch next to the cavernous scar of Valles Marineris that marks the face of Mars.

Stretching over 4000 km long and 200 km wide, and with a dizzying depth of 10 km, it is some ten times longer and five times deeper than Earth’s Grand Canyon, a size that earns it the status of the largest canyon in the Solar System.

Seen here in new light and online for the first time, this bird’s-eye view of Valles Marineris was created from data captured during 20 individual orbits of ESA’s Mars Express. It is presented in near-true colour and with four times vertical exaggeration.(read more)

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