Select Text Size

You are seeing this message because you are using an out-of-date browser.
Please click here for more information.

Valles Marineris from Viking 1

Image courtesy of: NASA, Viking 1 Mission
The Viking 1 mission took this image of Mars during its journey to the planet. You can see just how large Valles Marineris is in relation to the size of the planet.
This entire site copyright © 2003 Astronomy for Kids - all rights reserved