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Accretion — may refer to:*Accretion (finance), predictable changes in the price of certain securitiesAccretion in scienceIn science, accretion is a process in which the size of something gradually increases by steady addition of smaller parts. This term is… … Wikipedia
atmosphere, evolution of — Introduction the development of Earth s (Earth) atmosphere across geologic time. The process by which the current atmosphere arose from earlier conditions is complex; however, evidence related to the evolution of Earth s atmosphere, though… … Universalium
Atmosphere of Earth — Air redirects here. For other uses, see Air (disambiguation). Qualities of air redirects here. It is not to be confused with Air quality … Wikipedia
Atmosphere of Jupiter — Cloud pattern on Jupiter in 2000 The atmosphere of Jupiter is the largest planetary atmosphere in the Solar System. It is mostly made of molecular hydrogen and helium in roughly solar proportions; other chemical compounds are present only in… … Wikipedia
Atmosphère de Jupiter — Pour les articles homonymes, voir Atmosphère. L atmosphère de Jupiter La Grande Tache Rouge prise par Voyager 1 … Wikipédia en Français
Atmosphère de Mars — Pour les articles homonymes, voir Atmosphère. Atmosphère de Mars Atmosphère de Mars visible à l horizon … Wikipédia en Français
Primary atmosphere — A primary atmosphere is an atmosphere of a planet that forms by accretion of gaseous matter from the accretion disc of the planet s sun. Planets such as Jupiter and Saturn have primary atmospheres. Primary atmospheres are very thick compared to… … Wikipedia
Secondary atmosphere — A secondary atmosphere is an atmosphere of a planet that did not form by accretion during the formation of the planet s sun.A secondary atmosphere instead forms from internal volcanic activity, or by accumulation of material from comet… … Wikipedia
History of the Earth — For the history of modern humans, see History of the world. Geological time put in a diagram called a geological clock, showing the relative lengths of the eons of the Earth s history The history of the Earth describes the most important events… … Wikipedia
Planet — This article is about the astronomical object. For other uses, see Planet (disambiguation) … Wikipedia
