background spectrum
21line spectrum — n. 1. a spectrum that consists of narrow, brightly colored, parallel lines on a dark background, emitted by a low pressurized glowing gas 2. a spectrum that consists of narrow, dark, parallel lines on a brightly colored background, produced from… …
22bright-line spectrum — noun : an emission spectrum consisting of bright lines against a dark background * * * bright line spectrum «BRYT LYN», a spectrum composed of a pattern of brightly colored lines on a dark background, having as its source of light a glowing gas… …
23Doctor Spectrum (comic book) — Infobox comic book title title = Doctor Spectrum caption = (Joseph Ledger) in Doctor Spectrum #2 (2004) Art by Dale Keown schedule = Monthly format = limited =y publisher = Marvel Comics under MAX (comics) date = August 2004 to March 2005 issues …
24Cosmic Background Explorer — ▪ United States satellite U.S. satellite placed in Earth orbit in 1989 to map the “smoothness” of the cosmic background radiation (Cosmos) field and, by extension, to confirm the validity of the big bang (big bang model) theory of the… …
25IEEE Spectrum — Infobox Journal Front cover of the July 2006 issue discipline = Electrical Engineering abbreviation = publisher = Institute of Electrical and Electronics Engineers country = US history = website = http://www.spectrum.ieee.org/ ISSN = 0018 9235… …
26A Spectrum of Finite Scale — Infobox Album Name = A Spectrum of Finite Scale Type = Album Artist = Man or Astro man? Background = LightBlue Released = 2001 Genre = Surf rock Length = Label = Zerotec Producer = Reviews = * All Music Rating|4|5… …
27Matter power spectrum — Physical cosmology Universe · Big Bang …
28Extragalactic background light — The Extragalactic Background Light (EBL) or simply the extragalactic background (EGB)is the faint diffuse light of the night sky, consisting of the combined flux of all extragalactic sources. Its main significance for astronomers is that it… …
29Discovery of cosmic microwave background radiation — Bell Labs Horn Antenna in Crawford Hill, NJ In 1965 while using the Horn Antenna, Penzias and Wilson stumbled on the microwave background radiation that permeates the universe. This article concerns the accidental discovery of cosmic microwave… …
30dark-line spectrum — noun : a line spectrum produced by the passage of white light through an ionized gas or vapor * * * dark line spectrum «DAHRK LYN», a spectrum of dark lines on a bright background: »Sunlight produces a dark line spectrum (Robert H. Baker) …
