geomagnetic survey
71Moon — /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… …
72Список награждённых Национальной медалью науки США — Джошуа Ледерберг (справа) получает Национальную медаль науки из рук Президента США Джорджа Буша старшего Список …
73October 2003 — October 2003: January – February – March – April – May – June – July – August – September – October – November – December Events See also Japan general election Iraq timeline Liberian crisis …
74Earth science — (also known as geoscience, the geosciences or the Earth Sciences), is an all embracing term for the sciences related to the planet Earth [ [http://wordnet.princeton.edu/perl/webwn?s=earth%20science Wordnet Search: Earth science] ] . It is… …
75Timeline of geology — Timeline of geology: see also geologic time scale.* c. 1025 Abū Rayhān al Bīrūnī publishes the Kitab fi Tahqiq ma li l Hind ( Researches on India ), in which he discusses the geology of India and hypothesizes that it was once a sea. [A. Salam… …
76Outer space — For other uses, see Outer space (disambiguation). The boundaries between the Earth s surface and outer space, at the Kármán line, 100 km (62 mi) and exosphere at 690 km (430 mi). Not to scale Outer space is the void that exists beyond any… …
77Single-wire earth return — (SWER) or single wire ground return is a single wire transmission line for supplying single phase electrical power from an electrical grid to remote areas at low cost. It is principally used for rural electrification, but also finds use for… …
78Vanguard 3 — or Vanguard III was launched by a Vanguard rocket on Sep. 18, 1959, the third successful Vanguard launch out of eleven attempts. Mission ObjectivesThe satellite was launched from the Eastern Test Range into a geocentric orbit. The objectives of… …
79EMF Meter — EMF meter, Electromagnetic field meter, (sometimes referred to as an EMF Detector) is a scientific instrument for measuring electromagnetic radiation. There are many different types of EMF meter, but the two largest categories are single axis and …
80History of research ships — The research ship had origins in the early voyages of exploration. By the time of James Cook s Endeavour , the essentials of what today we would call a research ship are clearly apparent. In 1766, the Royal Society hired Cook to travel to the… …
