mei 262012
Medusae Fossae Formation on Mars is older than once thought

Recent geologic mapping of the Medusae Fossae Formation (MFF) on Mars—an intensely eroded deposit near the northern edge of the cratered highlands—has revealed a wider distribution of its western component than was previously recognized. Geologic map of the MC-23 NW quadrangle on Mars, highlighting MFF units in solid colors. The landing site targeted for the Mars [continue reading]