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65 relations: Aerial perspective, Agricultural productivity, Airglow, Antisolar point, Atmosphere of Earth, Atmospheric diffraction, Attenuation, Canopy (biology), Carbon dioxide, Carbon sink, Colorfulness, Cyanometer, David Brewster, Daylight, Deleterious, Diatomic molecule, Diffuse reflection, Dimensional analysis, Earth, Ecosystem respiration, Elastic scattering, François Arago, Geometrical optics, Haze, Hour angle, Jacques Babinet, Keeling Curve, Light, Mie scattering, Molecule, Mount Pinatubo, Nanometre, Nitrogen, Oxygen, Ozone, Particulates, Philippines, Photon diffusion, Photosynthesis, Plinian eruption, Polarization (waves), Position of the Sun, Primary production, Rayleigh scattering, Rayleigh sky model, Reflectance, Scattering, Sky, Solar irradiance, Sulfur dioxide, ..., Sun, Sunrise, Sunset, Sunshine duration, Taiga, Tonne, Turbidity, Tyndall effect, Understory, Vertical circle, Volcanic ash, Volcanic winter, Volcano, Wavelength, Zenith. Expand index (15 more) »
Aerial perspective
Aerial perspective or atmospheric perspective refers to the effect the atmosphere has on the appearance of an object as it is viewed from a distance.
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Agricultural productivity
Agricultural productivity is measured as the ratio of agricultural outputs to agricultural inputs.
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Airglow
Airglow (also called nightglow) is a faint emission of light by a planetary atmosphere.
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Antisolar point
The antisolar point is the abstract point on the celestial sphere directly opposite of the Sun from an observer's perspective.
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Atmosphere of Earth
The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.
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Atmospheric diffraction
Atmospheric diffraction is manifested in the following principal ways.
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Attenuation
In physics, attenuation or, in some contexts, extinction is the gradual loss of flux intensity through a medium.
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Canopy (biology)
In biology, the canopy is the aboveground portion of a plant community or crop, formed by the collection of individual plant crowns.
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Carbon dioxide
Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.
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Carbon sink
A carbon sink is a natural or artificial reservoir that accumulates and stores some carbon-containing chemical compound for an indefinite period.
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Colorfulness
Colorfulness, chroma and saturation are attributes of perceived color relating to chromatic intensity.
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Cyanometer
A cyanometer (from cyan and) is an instrument for measuring 'blueness', specifically the colour intensity of blue sky.
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David Brewster
Sir David Brewster KH PRSE FRS FSA(Scot) FSSA MICE (11 December 178110 February 1868) was a British scientist, inventor, author, and academic administrator.
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Daylight
Daylight, or the light of day, is the combination of all direct and indirect sunlight during the daytime.
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Deleterious
No description.
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Diatomic molecule
Diatomic molecules are molecules composed of only two atoms, of the same or different chemical elements.
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Diffuse reflection
Diffuse reflection is the reflection of light or other waves or particles from a surface such that a ray incident on the surface is scattered at many angles rather than at just one angle as in the case of specular reflection.
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Dimensional analysis
In engineering and science, dimensional analysis is the analysis of the relationships between different physical quantities by identifying their base quantities (such as length, mass, time, and electric charge) and units of measure (such as miles vs. kilometers, or pounds vs. kilograms) and tracking these dimensions as calculations or comparisons are performed.
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Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
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Ecosystem respiration
Ecosystem respiration is the sum of all respiration occurring by the living organisms in a specific ecosystem.
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Elastic scattering
Elastic scattering is a form of particle scattering in scattering theory, nuclear physics and particle physics.
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François Arago
Dominique François Jean Arago (Domènec Francesc Joan Aragó), known simply as François Arago (Catalan: Francesc Aragó) (26 February 17862 October 1853), was a French mathematician, physicist, astronomer, freemason, supporter of the carbonari and politician.
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Geometrical optics
Geometrical optics, or ray optics, describes light propagation in terms of rays.
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Haze
Haze is traditionally an atmospheric phenomenon in which dust, smoke, and other dry particulates obscure the clarity of the sky.
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Hour angle
In astronomy and celestial navigation, the hour angle is one of the coordinates used in the equatorial coordinate system to give the direction of a point on the celestial sphere.
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Jacques Babinet
Jacques Babinet (5 March 1794 – 21 October 1872) was a French physicist, mathematician, and astronomer who is best known for his contributions to optics.
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Keeling Curve
The Keeling Curve is a graph that plots the ongoing change in concentration of carbon dioxide in Earth's atmosphere since the 1950s.
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Light
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
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Mie scattering
The Mie solution to Maxwell's equations (also known as the Lorenz–Mie solution, the Lorenz–Mie–Debye solution or Mie scattering) describes the scattering of an electromagnetic plane wave by a homogeneous sphere.
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Molecule
A molecule is an electrically neutral group of two or more atoms held together by chemical bonds.
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Mount Pinatubo
Mount Pinatubo (Bakil nin Pinatobo; Bunduk/Bulkan ning Pinatubu, Bunduk ning Apu Malyari; Palandey/Bulkan na Pinatubu; Bantay Pinatubo; Bundok/Bulkang Pinatubo) is an active stratovolcano in the Zambales Mountains, located on the tripoint boundary of the Philippine provinces of Zambales, Tarlac and Pampanga, all in Central Luzon on the northern island of Luzon.
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Nanometre
The nanometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the metric system, equal to one billionth (short scale) of a metre (m).
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Nitrogen
Nitrogen is a chemical element with symbol N and atomic number 7.
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Oxygen
Oxygen is a chemical element with symbol O and atomic number 8.
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Ozone
Ozone, or trioxygen, is an inorganic molecule with the chemical formula.
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Particulates
Atmospheric aerosol particles, also known as atmospheric particulate matter, particulate matter (PM), particulates, or suspended particulate matter (SPM) are microscopic solid or liquid matter suspended in Earth's atmosphere.
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Philippines
The Philippines (Pilipinas or Filipinas), officially the Republic of the Philippines (Republika ng Pilipinas), is a unitary sovereign and archipelagic country in Southeast Asia.
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Photon diffusion
Photon diffusion is a situation where photons travel through a material without being absorbed, but rather undergoing repeated scattering events which change the direction of their path.
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Photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities (energy transformation).
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Plinian eruption
Plinian eruptions or Vesuvian eruptions are volcanic eruptions marked by their similarity to the eruption of Mount Vesuvius in 79 AD, which destroyed the ancient Roman cities of Herculaneum and Pompeii.
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Polarization (waves)
Polarization (also polarisation) is a property applying to transverse waves that specifies the geometrical orientation of the oscillations.
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Position of the Sun
The position of the Sun in the sky is a function of both the time and the geographic location of observation on Earth's surface.
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Primary production
Global oceanic and terrestrial photoautotroph abundance, from September 1997 to August 2000. As an estimate of autotroph biomass, it is only a rough indicator of primary-production potential, and not an actual estimate of it. Provided by the SeaWiFS Project, NASA/Goddard Space Flight Center and ORBIMAGE. In ecology, primary production is the synthesis of organic compounds from atmospheric or aqueous carbon dioxide.
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Rayleigh scattering
Rayleigh scattering (pronounced), named after the British physicist Lord Rayleigh (John William Strutt), is the (dominantly) elastic scattering of light or other electromagnetic radiation by particles much smaller than the wavelength of the radiation.
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Rayleigh sky model
The Rayleigh sky model describes the observed polarization pattern of the daytime sky.
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Reflectance
Reflectance of the surface of a material is its effectiveness in reflecting radiant energy.
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Scattering
Scattering is a general physical process where some forms of radiation, such as light, sound, or moving particles, are forced to deviate from a straight trajectory by one or more paths due to localized non-uniformities in the medium through which they pass.
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Sky
The sky (or celestial dome) is everything that lies above the surface of the Earth, including the atmosphere and outer space.
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Solar irradiance
Solar irradiance is the power per unit area received from the Sun in the form of electromagnetic radiation in the wavelength range of the measuring instrument.
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Sulfur dioxide
Sulfur dioxide (also sulphur dioxide in British English) is the chemical compound with the formula.
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Sun
The Sun is the star at the center of the Solar System.
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Sunrise
Sunrise or sun up is the instant at which the upper edge of the Sun appears over the horizon in the morning.
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Sunset
Sunset or sundown is the daily disappearance of the Sun below the horizon as a result of Earth's rotation.
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Sunshine duration
Sunshine duration or sunshine hours is a climatological indicator, measuring duration of sunshine in given period (usually, a day or a year) for a given location on Earth, typically expressed as an averaged value over several years.
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Taiga
Taiga (p; from Turkic), also known as boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruces and larches.
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Tonne
The tonne (Non-SI unit, symbol: t), commonly referred to as the metric ton in the United States, is a non-SI metric unit of mass equal to 1,000 kilograms;.
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Turbidity
Turbidity is the cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye, similar to smoke in air.
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Tyndall effect
The Tyndall effect, also known as Willis–Tyndall scattering, is light scattering by particles in a colloids or in a very fine suspension.
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Understory
In forestry and ecology, understory (or understorey, underbrush, undergrowth) comprises plant life growing beneath the forest canopy without penetrating it to any great extent, but above the forest floor.
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Vertical circle
In astronomy, a vertical circle is a great circle on the celestial sphere that is perpendicular to the horizon.
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Volcanic ash
Volcanic ash consists of fragments of pulverized rock, minerals and volcanic glass, created during volcanic eruptions and measuring less than 2 mm (0.079 inches) in diameter.
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Volcanic winter
A volcanic winter is a reduction in global temperatures caused by volcanic ash and droplets of sulfuric acid and water obscuring the Sun and raising Earth's albedo (increasing the reflection of solar radiation) after a large, particularly explosive volcanic eruption.
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Volcano
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
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Wavelength
In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.
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Zenith
The zenith is an imaginary point directly "above" a particular location, on the imaginary celestial sphere.
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Redirects here:
Arago point, Atmospheric scattering, Babinet point, Brewster point, Color of sky, Colour of sky, Diffuse skylight, Diffuse solar radiation, Diffused solar radiation, Red sky, Sky Is Blue, Sky color, Sky colour, Sky radiation, Why is sky blue, Why is the Sky Blue, Why is the Sky Blue?, Why is the sky blue, Why is the sky blue?, Why the sky is blue.
References
[1] https://en.wikipedia.org/wiki/Diffuse_sky_radiation
