Feature type

Canyon

A deep, steep-sided valley cut by tectonics or water. Mars's Valles Marineris is a canyon system so large it would stretch across the entire United States.

In brief

A deep, steep-sided valley.

Examples of this feature

Valles Marineris

Knowledge connections

Group includesValles Marineris

Sources

Facts on this topic will be cited from these primary and reference sources.

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.

Loading…