This is the largest canyon in the solar system

NASA/JPL and the University of Arizona released these glorious new images of the largest canyon in the solar system: Valles Marineris on Mars. At more than 4,000km long and 7km deep, the system of canyons is almost 10 times longer and three times deeper than Earth's Grand Canyon. — Read the rest

from Boing Boing https://ift.tt/2XrCksl
via IFTTT

Share on Google Plus

About Unknown

This is a short description in the author block about the author. You edit it by entering text in the "Biographical Info" field in the user admin panel.