The most striking and largest valley in the solar system is
A) the Grand Canyon in Arizona.
B) Gwenivere on Venus.
C) the Discovery Scarp of Mercury.
D) Valles Marineris on Mars.
E) Valhalla on Callisto.

Question

Quizplus · Accepted Answer

Valles Marineris is a system of interconnected canyons and valleys on the planet Mars. It is over 4,000 km long, up to 7 km deep, and up to 600 km wide, making it the largest and most striking valley in the solar system. While the Grand Canyon on Earth and other valleys on other planets are impressive, none can match the size and complexity of Valles Marineris.

The Most Striking and Largest Valley in the Solar System