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Hephaestus Fossae

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Title: Hephaestus Fossae  
Author: World Heritage Encyclopedia
Language: English
Subject: Amenthes quadrangle, Outflow channels, Transit of Venus from Mars, Fossa (geology), Asopus Vallis
Collection: Amenthes Quadrangle, Valleys and Canyons on Mars
Publisher: World Heritage Encyclopedia

Hephaestus Fossae

Hephaestus Fossae
Two views of the Hephaestus Fossae, as seen by HiRISE. Picture on right lies to the top (north) of other picture. Fossa (geology) often form by material moving into an underground void.
Naming a classical albedo feature name

The Hephaestus Fossae are a system of troughs and channels in the Amenthes quadrangle of Mars, with a location centered at 21.1 N and 237.5 W. It is 604 km long and was named after a classical albedo feature name.[1] The fossae have been tentatively identified as outflow channels, but their origin and evolution remain ambiguous.[2] It has been proposed that water may have been released into the troughs as a catastrophic flood due to subsurface ice melting following a large bolide impact.[3]


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  2. ^ Carr, M.H. (2006), The Surface of Mars. Cambridge Planetary Science Series, Cambridge University Press.
  3. ^
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