I am a native in this world And think in it as a native thinks

Tuesday, June 16, 2020

Astronomy Tuesday

From Mars' terrestrial stand-in to the real thing: this mosaic of images from Viking taken in the 1970's. That large blue-gray slash is Valles Marineris, the largest canyon in the Solar System, almost four times longer and deeper than our Grand Canyon.

Image Credit: NASA, USGS, Viking Project

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