dense upper cloud
111Atom — The atom is the smallest unit of an element that retains the chemical properties of that element. An atom has an electron cloud consisting of negatively charged electrons surrounding a dense nucleus. The nucleus contains positively charged… …
112TV and FM DX — TV DX and FM DX is the active search for distant radio or television stations received during unusual atmospheric conditions. The term DX is an old telegraphic term meaning long distance. VHF/UHF television and radio signals are normally limited… …
113Colonization of Venus — Venus The colonization of Venus has been a subject of much speculation and many works of science fiction since before the dawn of spaceflight, and is still much discussed. With the discovery of Venus hostile surface environment, attention has… …
114Atmosphère d'Uranus — Pour les articles homonymes, voir Atmosphère. Atmosphère d Uranus Uranus, prise par la sonde Voyager 2 …
115Argentina — /ahr jeuhn tee neuh/; Sp. /ahrdd hen tee nah/, n. a republic in S South America. 35,797,536; 1,084,120 sq. mi. (2,807,870 sq. km). Cap.: Buenos Aires. Also called the Argentine. Official name, Argentine Republic. * * * Argentina Introduction… …
116Minnesota — • One of the North Central States of the American Union, lies about midway between the eastern and western shores of the continent, and about midway between the gulf of Mexico and Hudson s Bay Catholic Encyclopedia. Kevin Knight. 2006. Minnesota… …
117Properties of water — H2O and HOH redirect here. For other uses, see H2O (disambiguation) and HOH (disambiguation). This article is about the physical and chemical properties of pure water. For general discussion and its distribution and importance in life, see Water …
118Lee wave — The wind flows towards a mountain and produces a first oscillation (A) followed by more waves. the following waves will have lower amplitude because of the natural damping. Lenticular clouds stuck on top of the flow (A) and (B) will appear… …
119Black hole — For other uses, see Black hole (disambiguation). Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitat …
120Moon — This article is about Earth s Moon. For moons in general, see Natural satellite. For other uses, see Moon (disambiguation) …
