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COBE

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia, Hutchinson 0.01 sec.
COBE: see infrared astronomy infrared astronomy, study of celestial objects by means of the infrared radiation they emit, in the wavelength range from about 1 micrometer to about 1 millimeter. All objects, from trees and buildings on the earth to distant galaxies, emit infrared (IR) radiation.
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Cosmic Background Explorer (COBE)

U.S. satellite that from 1989 to 1993 mapped the cosmic background radiation field. In 1964, microwave radiation was discovered that permeated the cosmos uniformly. This radiation provided spectacular support for the big bang theory, which held that the early universe was very hot. In order to test theories of the universe's history, cosmologists needed to know whether the field was truly the same in every direction. COBE's all-sky survey of the radiation showed slight “wrinkles” from density variations. These variations would have stimulated galaxy formation. A spectrometer showed that the background radiation's spectrum precisely matched the theory.



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Before joining Reglera, Anselmo worked for COBE Laboratories/GAMBRO Healthcare in Arvada, Colo.
The lecture by Mather describes the COBE project in cosmic background radiation, and that of Smoot describes how the project is helping to determine conditions in the early stages of the universe.
Development of the satellite, which was expected to be put in orbit by a space shuttle, was set back by the 1986 explosion of the shuttle Challenger, but Mather steered COBE through that obstacle and others.
 
 
 
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