Geophysical Year — Geophysical Year, a year set aside for the study of the earth, especially its interior, the atmosphere, magnetic and gravitational phenomena, and the like. Scientists from all parts of the world participate. The International Geophysical Year,… … Useful english dictionary
International Geophysical Year — The International Geophysical Year or IGY was an international scientific effort that lasted from July 1, 1957, to December 31, 1958.The IGY encompassed eleven Earth sciences: aurora and airglow, cosmic rays, geomagnetism, gravity, ionospheric… … Wikipedia
International Geophysical Year — worldwide program of geophysical research that was conducted from July 1957 to December 1958. IGY was directed toward a systematic study of the Earth and its planetary environment. The IGY encompassed research in 11 fields of geophysics:… … Universalium
Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… … Wikipedia
Geophysical Tomography Group — The Geophysical Tomography Group was part of the Institut de Physique du Globe de Paris (Jussieu Campus). During the years 1985 2000 it made pioneering developments in the domain of nonlinear fitting of seismic waveforms. Many of the past members … Wikipedia
Year — A year (from Old English gēar) is the orbital period of the Earth moving around the Sun. For an observer on Earth, this corresponds to the period it takes the Sun to complete one course throughout the zodiac along the ecliptic. In astronomy, the… … Wikipedia
International Polar Year — The International Polar Year (or IPY) is a collaborative, international effort researching the polar regions. Karl Weyprecht, an Austro Hungarian naval officer, motivated the endeavor, but died before it first occurred in 1882 1883. Fifty years… … Wikipedia
International Heliophysical Year — The International Heliophysical Year is a UN sponsored but scientifically driven international program of scientific collaboration to understand external drivers of planetary environments and universal processes in solar terrestrial planetary… … Wikipedia
International Year of Planet Earth — The United Nations General Assembly declared 2008 as the International Year of Planet Earth to increase awareness of the importance of Earth sciences for the achievement of sustainable development.UN document |docid=A RES 60 192 |type=Resolution… … Wikipedia
Physical year — You may be looking for:*Fiscal year, used for calculating annual financial reports in businesses *International Geophysical Year, an international scientific effort in 1957 1958 *International Heliophysical year, an international scientific… … Wikipedia