The ridges in this image may be the inverted (high instead of low) remains of old river channels.
Click here for original story, Sinuous Ridges in the Aeolis/Zephyria Region Of Mars
Source: Mars News
The ridges in this image may be the inverted (high instead of low) remains of old river channels.
Click here for original story, Sinuous Ridges in the Aeolis/Zephyria Region Of Mars
Source: Mars News