HomeIFTTT Well-Preserved Impact Ejecta on Mars January 12, 2017 0 This image of a well-preserved unnamed elliptical crater in Terra Sabaea, is illustrative of the complexity of ejecta deposits forming as a by-product of the impact process that shapes much of the surface of Mars. via NASA http://ift.tt/2jct7C2 Tags: IFTTT NASA Facebook Twitter