steep trajectory
41History of cannon — The history of cannon spans several hundred years. First used in China, they were among the earliest forms of gunpowder artillery, and over time replaced siege engines mdash;among other forms of aging weaponry mdash;on the battlefield. The first… …
42Atmospheric convection — Conditions favorable for thunderstorm types and complexes Atmospheric convection is the result of a parcel environment instability, or temperature difference, layer in the atmosphere. Different lapse rates within dry and moist air lead to… …
43china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …
44China — /chuy neuh/, n. 1. People s Republic of, a country in E Asia. 1,221,591,778; 3,691,502 sq. mi. (9,560,990 sq. km). Cap.: Beijing. 2. Republic of. Also called Nationalist China. a republic consisting mainly of the island of Taiwan off the SE coast …
45mercury — /merr kyeuh ree/, n., pl. mercuries. 1. Chem. a heavy, silver white, highly toxic metallic element, the only one that is liquid at room temperature; quicksilver: used in barometers, thermometers, pesticides, pharmaceutical preparations,… …
46Rio de Janeiro — /ree oh day zheuh nair oh, near oh, jeuh , dee, deuh/; Port. /rddee oo di zhi nay rddoo/ a seaport in SE Brazil: former capital. 5,184,292. Also called Rio. * * * City (pop., 2002 est.: city, 5,937,300; metro. area, 11,121,300) and port,… …
47New Holland Agriculture — For early history see New Holland Machine Company New Holland Agriculture Type Brand Industry Agricultural equipment Capital lending Founded …
48howitzer — /ˈhaʊɪtsə/ (say howitsuh) noun a comparatively short barrelled cannon, used especially for shelling at a steep angle, as in reaching troops behind cover. {earlier hauwitzer, apparently from Dutch houwitser, from houwits(e) catapult. Compare… …
49Mercury (planet) — Mercury  ☿ …
50Single-stage-to-orbit — The VentureStar was a proposed SSTO spaceplane. A single stage to orbit (or SSTO) vehicle reaches orbit from the surface of a body without jettisoning hardware, expending only propellants and fluids. The term usually, but not exclusively, refers… …
