crater formation

См. также в других словарях:

• Crater of Diamonds State Park — IUCN Category III (Natural Monument) …   Wikipedia

• Crater counting — is a method for estimating the age of a planet s surface. The method is based upon the assumptions that a new surface forms with zero impact craters, and that impact craters accumulate at some constant rate. The method has been calibrated using… …   Wikipedia

• Crater — may refer to: In landforms: Impact crater, caused by two celestial bodies impacting each other, such as a meteorite hitting a planet Volcanic crater or caldera, formed by volcanic activity Subsidence crater, from an underground (usually nuclear)… …   Wikipedia

• meteorite crater — crater (def. 2). * * * Depression that results from the impact of a meteorite with a solid object in space. Impact craters have been discovered on Earth, the Moon, Mars, other planets and satellites, and asteroids; they probably occur on… …   Universalium

• Crater lake — This article is about the geological feature. For the lake of the same name in Oregon, see Crater Lake. For other uses, see Crater Lake (disambiguation). Landsat image of Lake Toba, the largest volcanic crater lake in the world …   Wikipedia

• Crater Lake — For other uses, see Crater Lake (disambiguation). Crater Lake Aerial view; note Wizard Island against the western rim …   Wikipedia

• Formation and evolution of the Solar System — Artist s conception of a protoplanetary disk The formation and evolution of the Solar System is estimated to have begun 4.568 billion years ago with the gravitational collapse of a small part of a giant molecular cloud …   Wikipedia

• Formation et évolution du système solaire — Vue d artiste d un disque protoplanétaire. La formation et l évolution du système solaire sont déterminées par un modèle aujourd hui très largement accepté et connu sous le nom d « hypothèse de la nébuleuse solaire ». Ce modèle fut… …   Wikipédia en Français

• crater — crateral, craterous, adj. craterlike, adj. /kray teuhr/, n., gen. Crateris /kray tear is/ for 9, v. n. 1. the cup shaped depression or cavity on the surface of the earth or other heavenly body marking the orifice of a volcano. 2. Also called… …   Universalium

• Formation de Medusae Fossae — L expression informelle « formation de Medusae Fossae » souvent abrégée en MFF, pour Medusae Fossae Formation désigne une vaste région équatoriale de la planète Mars, située dans les quadrangles d Elysium, d Aeolis, de Memnonia et d… …   Wikipédia en Français

• Impact crater — The prominent impact crater Tycho on the Moon. In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body. In most common usage,… …   Wikipedia