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Infrared Astronomy Satellite |
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Infrared Astronomy Satellite
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That year, NASA's Infrared Astronomy Satellite detected a larger-than-expected infrared signal from the star's vicinity. In 1983, NASA's Infrared Astronomy Satellite revealed that Arp 220 is one of the brightest of about a dozen galaxies that emit most of their light in the infrared. Observations made in 1983 by the Infrared Astronomy Satellite (IRAS) during its 10-month mission have helped astronomers map emissions of infrared radiation (heat) from distant interstellar and interplanetary dust clouds. |
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