Impact craters
13 entries in the Impact Craters compendium.
Cold spot (astronomy)Cold spots are young impact features with low nighttime temperatures.Complex craterLarge impact craters with uplifted centers and terraced walls.Crater countingMethod for dating planetary surfaces by counting impact craters.Expanded craterImpact craters that expand due to subsurface ice sublimation.Jeokchung-ChogyeUnconfirmed impact structure in Asia and Russia.Multi-ringed basinA massive impact crater with multiple concentric mountain rings.Peak ringA complex crater with a ring instead of a central peak.Permanently shadowed craterDepressions in permanent darkness, preserving water ice and volatiles.PseudotachylyteRock formed by frictional melting during earthquakes, landslides, and impacts.Ray systemRadial ejecta streaks from impact craters across the solar system.Rim (crater)The raised edge of an impact crater, varying with size and gravity.Secondary craterSecondary craters form from ejecta of larger primary impacts.Shatter coneRare conical fractures formed by high-pressure shock.
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