blackbody spectrum
91Atomic spectral line — In physics, atomic spectral lines are of two types: * An emission line is formed when an electron makes a transition from a particular discrete energy level of an atom, to a lower energy state, emitting a photon of a particular energy and… …
92History of optics — Optics began with the development of lenses by the ancient Egyptians and Mesopotamians, followed by theories on light and vision developed by ancient Greek and Indian philosophers, and the development of geometrical optics in the Greco Roman… …
93Gliese 581 — Gliese 581 The star Gliese 581. Digitized Sky Survey photo. Observation data Epoch J2000.0      Equinox J2000.0 (ICRS) …
94George Smoot — Infobox Scientist name = George Smoot imagesize = 200px caption = Smoot celebrating his Nobel Prize at Lawrence Berkeley National Laboratory, 3 October 2006 birth date = birth date and age|1945|2|20 birth place = Yukon, Florida, U.S. residence =… …
95Color-color diagram — In astronomy, color color diagrams are a means of comparing the apparent magnitudes of stars at different wavelengths. Astronomers typically observe at narrow bands around certain wavelengths, and objects observed will appear brighter in some… …
96John C. Mather — à la NASA John C. Mather (né le 7 août 1946) est un astrophysicien et un cosmologiste américain en poste, en 2010, au Goddard Space Flight Center de la NASA. Il a obtenu le prix Nobel de physique de 2006 conjointement avec …
97physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction the systematic study of the inorganic world …
98Fragmentation (chemistry) — Fragmentation is a type of chemical dissociation. Fragmentation of a molecule can take place by a process of heterolysis or homolysis. It is a phenomenon observed in mass spectrometry where it is used as a tool to find the structural formula of a …
99Noise-equivalent temperature — (NET) is a measure of the sensitivity of a detector of thermal radiation in the infrared, terahertz or microwave portions of the electromagnetic spectrum. It is the amount of incident signal temperature that would be needed to match the internal… …
100white light — noun 1. : light that has the same spectral energy distribution as unobstructed noon sunlight and is approximately the same as that of a blackbody radiator at 6000° C 2. : light that to the normal eye matches the color of noon sunlight although it …
