thermal shield
121permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …
122Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
123Chonma-ho — Ch ŏnma ho Ch ŏnma ho V (Ma) during the Workers Party of Korea 60th Anniversary Military Parade …
124Orion (Constellation program) — For deep space spacecraft based on the Orion design, see Multi Purpose Crew Vehicle. For initial design of the Orion Crew Exploration Vehicle, see Crew Exploration Vehicle. For the nuclear powered spacecraft designed in the 1950s, see Project… …
125Geology of the North Sea — Contents 1 Tectonic structure 2 Precambrian 3 Finnmarkian, Athollian, Caledonian Orogenies …
126Curium — This article is about the chemical element. For the ancient city located in Cyprus, see Kourion. americium ← curium → berkelium …
127International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station …
128Sauna — For other uses, see Sauna (disambiguation). A traditional Finnish shore sauna view …
