This is a preview. Log in through your library . Abstract Athabasca Valles is a young outflow channel system on Mars that may have been carved by catastrophic water floods. However, images acquired by ...

Diagram highlighting areas of presumed lava channels on Mars Details from the Ascraeus channel (red), meandering across the surface of Mars. The insets in the black boxes show close-ups of some of the ...

GREENBELT, Md. – Flowing lava can carve or build paths very much like the riverbeds and canyons etched by water, and this probably explains at least one of the meandering channels on the surface of ...