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Infrared Space Observatory |
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Infrared Space Observatory: 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 Space Observatory (ISO)European Space Agency satellite that from 1995 to 1998 observed astronomical sources of infrared radiation. The satellite, which carried a 60-cm (24-in.) telescope, made significant observations of protoplanetary disks of dust and gas around young stars, with results suggesting that individual planets can form over periods as brief as 20 million years, and discovered that these disks are rich in silicates, the minerals that form the basis of many common types of rock. It also discovered a large number of brown dwarfs. |
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Using an orbiting telescope called the Infrared Space Observatory, European astronomers surveyed 84 stars. An analysis of images taken by the Infrared Space Observatory may bolster that interpretation. The Infrared Space Observatory (ISO), launched 2 years ago, is already opening that window. |
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Infrared Space Observatory