Infrared Astronomical Satellite


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Infrared Astronomical Satellite:

see infrared astronomyinfrared 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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Meanwhile, on the ground, an international team will prepare catalogs of the sources Akari detected, which will supersede the 20-year-old infrared Astronomical Satellite (IRAS) survey and provide rich target lists for new observatories such as the European Space Agency's soon-to-be-launched Herschel satellite (5&T: December 2006, page 30).
A review of 1983 images taken by NASA's Infrared Astronomical Satellite (IRAS) revealed the predicted pattern.
The deepest data sets the website currently draws on are the Sloan Digital Sky Survey (SDSS) and the all-sky survey from the Infrared Astronomical Satellite (IRAS).
This intriguing conclusion stems from the overlap of two studies -- an investigation of the dynamics of interplanetary dust particles an observations taken in 1983 with NASA's Infrared Astronomical Satellite (IRAS), notes Dermott.
Back in 1983, data from the Infrared Astronomical Satellite (IRAS) hinted at the presence of warm dust around Beta ([beta]) Pictoris, a star lying only 63 light-years away.
explains that the new radio survey of Fomalhaut has confirmed in a concrete manner observations made a decade ago with the Infrared Astronomical Satellite (IRAS).
Another forthcoming mission is Astro-F, a 67cm infrared telescope, which will make the first far-infrared all-sky survey since the pioneering 1983 Infrared Astronomical Satellite (IRAS) mission.
In comparing their topographic map to an all-sky survey of galaxies observed by the Infrared Astronomical Satellite, the researchers found that areas of high mass density do indeed correlate with areas where galaxies cluster.

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