density altitude
111Geography of Switzerland — Continent Europe Region Western/Central Europe Coordinates 47° N 8° E Area Ranked 134 …
112Explorer 32 — mdash;also known as Atmosphere Explorer B (AE B) mdash;was a satellite launched by the United States to study the Earth s upper atmosphere. It was launched from Cape Canaveral on a Delta C1 rocket, on 25 May 1966. It was the second of five… …
113Wind — For other uses, see Wind (disambiguation). Wind, from the …
114Schiehallion experiment — Schiehallion s isolated position and symmetrical shape lent well to the experiment The Schiehallion experiment was an 18th century experiment to determine the mean density of the Earth. Funded by a grant from the …
115Space tether — Artist s conception of satellite with a tether Space tethers are cables, usually long and very strong, which can be used for propulsion, stabilization, or maintaining the formation of space systems by determining the trajectory of spacecraft and… …
116pre-Columbian civilizations — Introduction the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …
117Ice — This article is about water ice. For the broader concept of ices as used in the planetary sciences, see volatiles. For other uses, see Ice (disambiguation) …
118Venus — This article is about the planet. For other uses, see Venus (disambiguation). Venus   …
119Ice core — An ice core is a core sample from the accumulation of snow and ice over many years that have re crystallized and have trapped air bubbles from previous time periods. The composition of these ice cores, especially the presence of hydrogen and… …
120Airspeed — is the speed of an aircraft relative to the air. There are several different measures of airspeed: indicated airspeed, calibrated airspeed, equivalent airspeed and true airspeed.It is measured within the flying aircraft with an airspeed indicator …
