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AsteriaStar
Feature type

Outflow Channel

A giant channel carved by catastrophic floods of water in the distant past, evidence that liquid water once flowed across the surface of Mars.

In brief

A channel carved by catastrophic ancient floods.

Examples of this feature

  • Kasei VallesSurface feature
    Mars

    One of the largest outflow channels on Mars, carved by catastrophic floods of water that burst from the Tharsis region billions of years ago.

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • 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.