Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Air_mass_(astronomy)> ?p ?o }
- Air_mass_(astronomy) abstract "In astronomy, air mass (or airmass) is the optical path length through Earth’s atmosphere for light from a celestial source. As it passes through the atmosphere, light is attenuated by scattering and absorption; the more atmosphere through which it passes, the greater the attenuation. Consequently, celestial bodies at the horizon appear less bright than when at the zenith. The attenuation, known as atmospheric extinction, is described quantitatively by the Beer–Lambert–Bouguer law.“Air mass” normally indicates relative air mass, the path length relative to that at the zenith at sea level so, by definition, the sea-level air mass at the zenith is 1. Air mass increases as the angle between the source and the zenith increases, reaching a value of approximately 38 at the horizon. Air mass can be less than one at an elevation greater than sea level; however, most closed-form expressions for air mass do not include the effects of elevation, so adjustment must usually be accomplished by other means.In some fields, such as solar energy and photovoltaics, air mass is indicated by the acronym AM; additionally, the value of the air mass is often given by appending its value to AM, so that AM1 indicates an air mass of 1, AM2 indicates an air mass of 2, and so on. The region above Earth’s atmosphere, where there is no atmospheric attenuation of solar radiation, is considered to have“air mass zero” (AM0).Tables of air mass have been published by numerous authors, including Bemporad (1904), Allen (1976),and Kasten and Young (1989).".
- Air_mass_(astronomy) thumbnail AirmassFormulaePlots.png?width=300.
- Air_mass_(astronomy) wikiPageExternalLink E490.htm.
- Air_mass_(astronomy) wikiPageExternalLink wc0.pdf.
- Air_mass_(astronomy) wikiPageExternalLink 1962aste.book.....H.
- Air_mass_(astronomy) wikiPageExternalLink 1967AJ.....72..235G.
- Air_mass_(astronomy) wikiPageExternalLink 1967AJ.....72..945Y.
- Air_mass_(astronomy) wikiPageExternalLink 1975ApJ...197..593H.
- Air_mass_(astronomy) wikiPageExternalLink 1983JAtS...40.1851T.
- Air_mass_(astronomy) wikiPageExternalLink 1987USNOC.171.....J.
- Air_mass_(astronomy) wikiPageExternalLink 1988MNRAS.230..457W.
- Air_mass_(astronomy) wikiPageExternalLink 1993VA.....36..311S.
- Air_mass_(astronomy) wikiPageExternalLink 1994ApOpt..33.1108Y.
- Air_mass_(astronomy) wikiPageExternalLink 2007PPCF...49..103T.
- Air_mass_(astronomy) wikiPageExternalLink 2009IEEEP..97.1431D.
- Air_mass_(astronomy) wikiPageExternalLink index.html.
- Air_mass_(astronomy) wikiPageExternalLink 0707.4506v1.
- Air_mass_(astronomy) wikiPageExternalLink 0083-6656(93)90113-X.
- Air_mass_(astronomy) wikiPageExternalLink 110225.
- Air_mass_(astronomy) wikiPageExternalLink 110366.
- Air_mass_(astronomy) wikiPageExternalLink 153548.
- Air_mass_(astronomy) wikiPageExternalLink S09.
- Air_mass_(astronomy) wikiPageExternalLink ISSCS.2007.4292761.
- Air_mass_(astronomy) wikiPageExternalLink JPROC.2009.2020509.
- Air_mass_(astronomy) wikiPageExternalLink 1520-0469(1983)040%3C1851:TEOAAW%3E2.0.CO;2.
- Air_mass_(astronomy) wikiPageExternalLink AO.33.001108.
- Air_mass_(astronomy) wikiPageExternalLink tol07isscs.pdf.
- Air_mass_(astronomy) wikiPageExternalLink airmass.
- Air_mass_(astronomy) wikiPageExternalLink G173.htm.
- Air_mass_(astronomy) wikiPageExternalLink ~peletier.
- Air_mass_(astronomy) wikiPageExternalLink BDT_LOFAR-IEEE_main.pdf.
- Air_mass_(astronomy) wikiPageExternalLink wynne_worswick88_primeFocus.ps.gz.
- Air_mass_(astronomy) wikiPageExternalLink ICQExtinct.html.
- Air_mass_(astronomy) wikiPageExternalLink abstract.cfm?id=41471.
- Air_mass_(astronomy) wikiPageID "705635".
- Air_mass_(astronomy) wikiPageLength "36094".
- Air_mass_(astronomy) wikiPageOutDegree "107".
- Air_mass_(astronomy) wikiPageRevisionID "701938931".
- Air_mass_(astronomy) wikiPageWikiLink Absorption_(electromagnetic_radiation).
- Air_mass_(astronomy) wikiPageWikiLink Adaptive_optics.
- Air_mass_(astronomy) wikiPageWikiLink Air_mass_(solar_energy).
- Air_mass_(astronomy) wikiPageWikiLink Aperture_synthesis.
- Air_mass_(astronomy) wikiPageWikiLink Area_density.
- Air_mass_(astronomy) wikiPageWikiLink Astronomical_seeing.
- Air_mass_(astronomy) wikiPageWikiLink Astronomy.
- Air_mass_(astronomy) wikiPageWikiLink Atmosphere_of_Earth.
- Air_mass_(astronomy) wikiPageWikiLink Atmospheric_models.
- Air_mass_(astronomy) wikiPageWikiLink Atmospheric_refraction.
- Air_mass_(astronomy) wikiPageWikiLink Attenuation.
- Air_mass_(astronomy) wikiPageWikiLink BASIC.
- Air_mass_(astronomy) wikiPageWikiLink Barometric_formula.
- Air_mass_(astronomy) wikiPageWikiLink Beer–Lambert_law.
- Air_mass_(astronomy) wikiPageWikiLink Bibcode.
- Air_mass_(astronomy) wikiPageWikiLink Bo_Thidé.
- Air_mass_(astronomy) wikiPageWikiLink Boltzmann_constant.
- Air_mass_(astronomy) wikiPageWikiLink Category:Astronomical_imaging.
- Air_mass_(astronomy) wikiPageWikiLink Category:Observational_astronomy.
- Air_mass_(astronomy) wikiPageWikiLink Celestial_source.
- Air_mass_(astronomy) wikiPageWikiLink Closed-form_expression.
- Air_mass_(astronomy) wikiPageWikiLink Density.
- Air_mass_(astronomy) wikiPageWikiLink Diffuse_sky_radiation.
- Air_mass_(astronomy) wikiPageWikiLink Digital_object_identifier.
- Air_mass_(astronomy) wikiPageWikiLink Extinction_(astronomy).
- Air_mass_(astronomy) wikiPageWikiLink File:Airmass_geometry.png.
- Air_mass_(astronomy) wikiPageWikiLink Fried_parameter.
- Air_mass_(astronomy) wikiPageWikiLink Gladstone–Dale_relation.
- Air_mass_(astronomy) wikiPageWikiLink Greenwood_frequency.
- Air_mass_(astronomy) wikiPageWikiLink Homogeneity_(physics).
- Air_mass_(astronomy) wikiPageWikiLink Horizontal_coordinate_system.
- Air_mass_(astronomy) wikiPageWikiLink Hydrostatics.
- Air_mass_(astronomy) wikiPageWikiLink Illuminance.
- Air_mass_(astronomy) wikiPageWikiLink International_Standard_Atmosphere.
- Air_mass_(astronomy) wikiPageWikiLink Ionosphere.
- Air_mass_(astronomy) wikiPageWikiLink Irradiance.
- Air_mass_(astronomy) wikiPageWikiLink LOFAR.
- Air_mass_(astronomy) wikiPageWikiLink Lapse_rate.
- Air_mass_(astronomy) wikiPageWikiLink Law_of_cosines.
- Air_mass_(astronomy) wikiPageWikiLink Light.
- Air_mass_(astronomy) wikiPageWikiLink Mie_scattering.
- Air_mass_(astronomy) wikiPageWikiLink Ozone.
- Air_mass_(astronomy) wikiPageWikiLink Particulates.
- Air_mass_(astronomy) wikiPageWikiLink Photon_diffusion.
- Air_mass_(astronomy) wikiPageWikiLink Photovoltaics.
- Air_mass_(astronomy) wikiPageWikiLink Polytropic_process.
- Air_mass_(astronomy) wikiPageWikiLink Radio_astronomy.
- Air_mass_(astronomy) wikiPageWikiLink Rayleigh_scattering.
- Air_mass_(astronomy) wikiPageWikiLink Refractive_index.
- Air_mass_(astronomy) wikiPageWikiLink Scale_height.
- Air_mass_(astronomy) wikiPageWikiLink Scattering.
- Air_mass_(astronomy) wikiPageWikiLink Sea_level.
- Air_mass_(astronomy) wikiPageWikiLink Solar_energy.
- Air_mass_(astronomy) wikiPageWikiLink Solar_irradiance.
- Air_mass_(astronomy) wikiPageWikiLink Solar_panel.
- Air_mass_(astronomy) wikiPageWikiLink Source_code.
- Air_mass_(astronomy) wikiPageWikiLink Stratosphere.
- Air_mass_(astronomy) wikiPageWikiLink Sunlight.
- Air_mass_(astronomy) wikiPageWikiLink Trigonometric_functions.
- Air_mass_(astronomy) wikiPageWikiLink Troposphere.
- Air_mass_(astronomy) wikiPageWikiLink U.S._Standard_Atmosphere.
- Air_mass_(astronomy) wikiPageWikiLink Very_Large_Telescope.