polar model
111Top Gear challenges — are a segment of the Top Gear television programme where the presenters are challenged by the producers, or by each other, to prove or do various things related to automobiles. Contents 1 Novelty/stunt challenges 2 Challenge reviews 3 How hard… …
112Global Energy and Water Cycle Experiment — The Global Energy and Water Cycle Experiment (GEWEX) is a research program of the World Climate Research Programme intended to observe, comprehend and models the Earth s water cycle. The experiment also observes how much energy the Earth receives …
113Arctic Ocean — Arctic Sea redirects here. For the cargo ship, see MV Arctic Sea. The Arctic Ocean Earth s oceans (World Ocean) …
114Michel Amelin (auteur pour enfants) —  Ne doit pas être confondu avec Michel Amelin (écrivain). Pour les articles homonymes, voir Amelin. Michel Amelin, né le 20 novembre 1955 à Philippeville en Algérie, est un auteur de livres pour enfants …
115Timeline of largest projects in the Russian economy — Moscow International Business Center under construction …
116Nansen's Fram expedition — Fram leaves Bergen on 2 July 1893, bound for the Arctic Ocean Nansen s Fram expedition, 1893–1896, was an attempt by the Norwegian explorer …
117Cell membrane — Illustration of a Eukaryotic cell membrane The cell membrane or plasma membrane is a biological mem …
118Orbit — This article is about orbits in celestial mechanics, due to gravity. For other uses, see Orbit (disambiguation). A satellite orbiting the Earth has a tangential velocity and an inward acceleration …
119Map projection — A medieval depiction of the Ecumene (1482, Johannes Schnitzer, engraver), constructed after the coordinates in Ptolemy s Geography and using his second map projection A map projection is any method of representing the surface of a sphere or other …
120Surface weather analysis — A surface weather analysis is a special type of weather map that provides a view of weather elements over a geographical area at a specified time based on information from ground based weather stations. [ Air Apparent: How Meteorologists Learned… …
