Figure 11-41: R I V U X G
Impact Melts Subsurface Ice The flood channels of Hephaestus Fossae run 600 km from a 20 km wide impact crater. Heat from the impact is thought to have caused frozen subsurface water-ice to melt.
Impact Melts Subsurface Ice The flood channels of Hephaestus Fossae run 600 km from a 20 km wide impact crater. Heat from the impact is thought to have caused frozen subsurface water-ice to melt.
(NASA/DLR/FU Berlin [G. Neukum])