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IRAS |
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IRAS: 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. . Infrared Astronomical Satellite (IRAS)First space observatory to map the entire sky at infrared wavelengths. IRAS, a U.S.-U.K.-Netherlands satellite, was launched in 1983 and carried a 60-cm (24-in.) telescope. It observed disks of minute, solid dust particles around some young stars, which suggests that these are in the process of forming planetary systems. It also discovered many previously unknown galaxies that emit most of their energy at infrared wavelengths. 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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PENSCO TRUST COMPANY ANNOUNCES BOOMERS FLOCK TO SELF-DIRECTED IRAS -- AND CLAMOR FOR HELP INVESTING RETIREMENT FUNDS IN REAL ESTATE Exhibit 2: Aftertax IRA Values(*) for Traditional and Roth IRAS Assumptions: * $250,000 current fair market value of a traditional IRA. |
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