- sky polarization
- 天空偏极
Atmospheric Sciences (English-Chinese) dictionary. 2014.
Atmospheric Sciences (English-Chinese) dictionary. 2014.
Sky Polarization Observatory — The Sky Polarization Observatory (SPOrt) will launch 2007 to the International Space Station for a planned 2 year mission. There it will observe 80% of the sky for the Cosmic microwave background radiation in the frequency range from 20 100 GHz.… … Wikipedia
Polarization — ( Brit. polarisation) is a property of waves that describes the orientation of their oscillations. For transverse waves, it describes the orientation of the oscillations in the plane perpendicular to the wave s direction of travel. Longitudinal… … Wikipedia
Polarization in astronomy — Polarization is an important phenomenon in astronomy. The polarization of starlight was first observed by the astronomers William Hiltner and John S. Hall in 1949. Subsequently, Jesse Greenstein and Leverett Davis, Jr. developed theories allowing … Wikipedia
Sky — The sky is the part of the atmosphere or of outer space visible from the surface of any astronomical object. It is difficult to define precisely for several reasons. During daylight, the sky of Earth has the appearance of a deep blue surface… … Wikipedia
Diffuse sky radiation — A spectrum taken of blue sky clearly showing solar Fraunhofer lines and atmospheric water absorption band. Diffuse sky radiation is solar radiation reaching the Earth s surface after having been scattered from the direct solar beam by molecules… … Wikipedia
Cosmic Anisotropy Polarization Mapper — CAPMAP is an experiment at Princeton university to measure the polarization of the Cosmic microwave background. See also Cosmic microwave background experiments Observational cosmology External links CAPMAP Homepage … Wikipedia
List of cosmic microwave background experiments — A comparison of the sensitivity of WMAP with COBE and Penzias and Wilson s telescope. Simulated data. There have been a variety of experiments to measure the Cosmic microwave background (CMB) radiation anisotropies and polarization since its… … Wikipedia
light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics … Universalium
Outline of astronomy — Mauna Kea in Hawaii is one of the world s premier observatory sites. Pictured is the W. M. Keck Observatory, an optical interferometer. The following outline is provided as an overview of and topical guide to astronomy: Astronomy – studies the… … Wikipedia
Insect migration — is the seasonal movement of insects, particularly those by species of dragonflies, beetles, butterflies and moths. The distance can vary from species to species, but in most cases these movements involve large numbers of individuals. In some… … Wikipedia
Agenzia Spaziale Italiana — ASI Logo Die Agenzia Spaziale Italiana (ital. ‚Italienische Raumfahrtagentur‘), abgekürzt ASI, ist die italienische Weltraumagentur mit Sitz in Rom. Sie wurde 1988 gegründet und untersteht dem italienischen Ministerium für Bildung, Forschung und… … Deutsch Wikipedia