radiation reflectivity
61Atmospheric Chemistry Observational Databases — Over the last two centuries many atmospheric chemical observations have been made from a variety of ground based, airborne, and orbital platforms and deposited in databases. Many of these databases are publicly available. All of the instruments… …
62Earth exploration — Introduction the investigation of the surface of the Earth and of its interior. By the beginning of the 20th century most of the Earth s surface had been explored, at least superficially, except for the Arctic and Antarctic regions. Today the… …
63Nephelometer — A nephelometer at the Kosan, Cheju Island, South Korea NOAA facility A nephelometer [1] is a stationary or portable instrument for measuring suspended particulates in a liquid or gas colloid. A nephelometer measures suspended particulates by… …
64Scientific Assessment of Ozone Depletion — The Scientific Assessment of Ozone Depletion is a sequence of reports sponsored by WMO/UNEP. The most recent is the [http://www.wmo.int/pages/prog/arep/gaw/ozone 2006/ozone asst report.html 2006 report] .The reports were set up to inform the… …
65Methods of detecting extrasolar planets — Any planet is an extremely faint light source compared to its parent star. In addition to the intrinsic difficulty of detecting such a faint light source, the light from the parent star causes a glare that washes it out. For those reasons, only a …
66ultraviolet astronomy — Study of astronomical objects and phenomena by observing the ultraviolet radiation (UV radiation) they emit. It has yielded much information about chemical abundances and processes in interstellar matter, the Sun, and other stellar objects, such… …
67Metal-mesh optical filters — are optical filters made from stacks of metal meshes and dielectric. They are used as part of an optical path to filter the incoming light to allow frequencies of interest to pass while reflecting other frequencies of light. Metal mesh filters… …
68Open-pool Australian lightwater reactor — For other uses, see Opal (disambiguation). Science with Neutrons Foundations Neutron temperature Flux  …
69Cryosphere — Overview of the Cryosphere and its larger components, from the UN Environment Programme Global Outlook for Ice and Snow. The cryosphere (from the Greek κρύος cryos cold , frost or ice ) is the term which collectively describes the portions of the …
70Mercury-Atlas 8 — Mercury 8 redirects here. For the car, see Mercury Eight. Mercury Atlas 8 Mission insignia Mission statistics Mission name Mercury Atlas 8 Spacecraft name Σ 7 (Sigma 7) …
