underground gamma survey
21List of Star Trek characters (N–S) — This article lists characters of Star Trek in their various canonical incarnations. This includes fictional major characters and fictional minor characters created for Star Trek, fictional characters not originally created for Star Trek, and real …
22Earth exploration — Introduction the investigation of the surface of the Earth and of its interior. By the beginning of the 20th century most of the Earth s surface had been explored, at least superficially, except for the Arctic and Antarctic regions. Today the… …
23List of Star Trek races — This is a list of sentient species and races from the fictional universe of the Star Trek media franchise. Contents A B C D E F G H I J K L M N O P Q R S T U V W X Y Z   Notes   …
24Neutrino — For other uses, see Neutrino (disambiguation). Neutrino/Antineutrino The first use of a hydrogen bubble chamber to detect neutrinos, on November 13, 1970. A neutrino hit a proton in a hydrogen atom. The collision occurred at the point where three …
25Radon — Pour les articles homonymes, voir Radon (homonymie) et Rn. Radon Asta …
26moon — mooner, n. moonless, adj. /moohn/, n. 1. the earth s natural satellite, orbiting the earth at a mean distance of 238,857 miles (384,393 km) and having a diameter of 2160 miles (3476 km). 2. this body during a particular lunar month, or during a… …
27Moon — /moohn/, n. Sun Myung /sun myung/, born 1920, Korean religious leader: founder of the Unification Church. * * * Sole natural satellite of Earth, which it orbits from west to east at a mean distance of about 238,900 mi (384,400 km). It is less… …
28Depleted uranium — The DU penetrator of a 30 mm round[1] Depleted uranium (DU; also referred to in the past as Q metal, depletalloy, or D 38) is uranium with a lower content of the fissile isotope U 235 than natural uranium (natural uranium is about 99.27% uranium… …
29Nuclear power in the United States — For a comprehensive list of U.S. plants, see List of nuclear reactors. NRC regions and locations of nuclear reactors, 2008 Main article: Nuclear power As of 2008, nuclear power in the United States is provided by 104 commercial reactors (69 …
30Houston, Texas — Infobox Settlement official name = City of Houston settlement type = City nickname = Space City imagesize = image caption = image #ifeq:Houston, Texas|Houston, Texas|Seal of Houston, Texas.png| mapsize = 250px map caption = Location in the state… …
