[petuniasevan]

The image above spans 550 miles.

That's truly an enormous canyon system; it dwarfs anything found on Earth.

For comparison, the Grand Canyon is 217 miles long, 10 miles wide, and a mile deep.

Valles Marineris spans a full 2480 miles, is 140 miles wide, and is 4 miles deep.

For comparison, an outline of the USA has been superimposed on Valles Marineris:

Here is the close-up of the red outlined area:

[petuniasevan]

[WSGilcrest]

BIG bump

[foolish-one]

Neat, again! Thanks.