Bruce Murray Space Image Library
Crater within Tempe Terra, Mars, containing inverted channels
![Crater within Tempe Terra, Mars, containing inverted channels](https://planetary.s3.amazonaws.com/web/assets/pictures/_2400x3663_crop_center-center_82_line/mars_ctx_inverted-topography_G01_018545_2187_8_15m_restretched.jpg 2400w, https://planetary.s3.amazonaws.com/web/assets/pictures/_1200x1831_crop_center-center_82_line/mars_ctx_inverted-topography_G01_018545_2187_8_15m_restretched.jpg 1200w, https://planetary.s3.amazonaws.com/web/assets/pictures/_768x1172_crop_center-center_60_line/mars_ctx_inverted-topography_G01_018545_2187_8_15m_restretched.jpg 768w, https://planetary.s3.amazonaws.com/web/assets/pictures/_576x879_crop_center-center_60_line/mars_ctx_inverted-topography_G01_018545_2187_8_15m_restretched.jpg 576w)
Inverted topography describes places where channels that likely originated as depressions in which water flowed were filled with sediment that, once it lithified, proved more resistant to erosion than the country rock.