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COBE |
Also found in: Acronyms, Wikipedia, Hutchinson | 0.03 sec. |
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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. ..... Click the link for more information. . 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. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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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. Final regulations provide that E and F reorganizations are not subject to the COI and COBE requirements. Because the acquiring company and the controlled subsidiary are members of the controlling corporation's group, the controlling corporation will be treated as directly holding the acquiring company's businesses and assets; because the acquiring company will continue the acquired corporation's historic business following the merger, the transaction will satisfy the COBE requirement. |
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