HiPOD: 11 August 2019
Valleys in Melas Chasma

Valleys in Melas Chasma
Caption throwback (2008): The interpretation is that the valleys formed by precipitation in the late Hesperian epoch and the water that formed them collected in the basin to produce a lake where sediment was deposited. This location is therefore particularly interesting to scientists because it shows water activity that resulted from rain in a relatively young region near the equator of Mars. (Read the full caption.)

ID: PSP_005452_1700
date: 25 September 2007
altitude: 263 km
Observation details page

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NASA/JPL/University of Arizona
Black & white is less than 5 km across; enhanced color is less than 1 km