... rock thrown out of the crater during its formation that either falls back to partly fill the crater or blankets its outer ... associated with craters; Pamlimpsests are thought to be impact craters where the topographic relief of the crater has been ...
... Craters and large chunks of rock are seen scattered on the surface. ... Some of the craters appear to have been covered by a layer of regolith (soil and broken rock). ...
... In this spectacular moon-planet image, volcanic calderas (craters) are visible at the summit of Ascraeus Mons -- while impact craters on the sunlit side of Phobos ' surface can also be seen! ...
... Many small, dark, circular impact craters can be seen in this region, attesting to the Hubble telescope's ability to reveal ... Viking and more recently Mars Global Surveyor have revealed that Hellas is a large and deep impact crater. ...
... The striking feature in this image is the giant Stickney crater. ... Grooved fractures caused from the impact that created Stickney extend away from the crater. ...
... Courtesy of P. Mouginis-Mark, LPI) . Channels on Koko Crater, Oahu, Hawaii . ... The flanks of Koko Crater on the island of Oahu, Hawaii, show signs of extensive ... Koko Crater is approximately 400 meters (1,320 feet) high. ...
... The outermost of the pre-Voyager moons, Oberon, also has an old, heavily cratered surface with little evidence of internal activity other than some unknown dark material apparently covering the floors of many craters. ...
... Surveyor Crater is a member of a distinctive cluster of craters. ... on the Surveyor Crater; he's about a fourth of a Surveyor Crater diameter to the ... Head Crater, and then southwest to a small, fresh impact feature called Sharp Crater ...
... These characteristics included the amount of cratering, structure and size of craters, the amount, distribution, and sizes of ejecta, mechanical properties of the surface such as bearing strength, cohesiveness, compaction, etc. ...