microwave photon

См. также в других словарях:

• Photon epoch — In physical cosmology, the photon epoch was the period in the evolution of the early universe in which photons dominated the energy of the universe. The photon epoch started after most leptons and anti leptons were annihilated at the end of the… …   Wikipedia

• Cosmic microwave background radiation — CMB and Cosmic background radiation redirect here. For other uses see CMB (disambiguation) and Cosmic background (disambiguation). Physical cosmology …   Wikipedia

• Wilkinson Microwave Anisotropy Probe — WMAP redirects here. WMAP may also refer to either radio station WXNC or WGSP FM. Wilkinson Microwave Anisotropy Probe General information NSSDC ID 2001 027A …   Wikipedia

• Wilkinson Microwave Anisotropy Probe (WMAP) — ▪ United States satellite       a U.S. satellite launched in 2001 and designed to map irregularities in the cosmic microwave background (CMB).       The CMB was discovered in 1964 when German American physicist Arno Penzias (Penzias, Arno) and… …   Universalium

• Axion — Infobox Particle name = Axion status = Hypothetical interaction = Gravity, Electromagnetic theorized = 1977, Peccei and Quinn mass = 10−6 to 1 eV/c2 electric charge = 0 spin = 0The axion is a hypothetical elementary particle postulated by Peccei… …   Wikipedia

• Shot noise — Photon noise simulation. Shot noise is a type of electronic noise that may be dominant when the finite number of particles that carry energy (such as electrons in an electronic circuit or photons in an optical device) is sufficiently small so… …   Wikipedia

• spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

• Diffusion damping — Physical cosmology Universe · Big Bang …   Wikipedia

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium