Herschel telescope has found sources of cosmic infrared radiation


The weak cosmic infrared radiation that reaches the Earth still contains a lot of the decrypted data is not necessary for a more complete understanding of the processes of development of distant galaxies.

By studying data from the analyzers far infrared space telescope Herschel, scientists from the Institute for Extraterrestrial Physics Max Planck (Max Planck Institute for Extraterrestrial Physics) and other agencies for the first time were able to identify more than half of the radiation sources.

In the mid-1990s, scientists analyzing data from the spacecraft NASA COBE, found a weak long-range infrared radiation spectrum.

Taking into account that the visible light tells us about the stars in the galaxies, far-infrared radiation range of the spectrum emitted by cold dust that hides the newly formed star. The identification of these surprisingly numerous dusty galaxies has proved a difficult task.

To detect such radiation needed space telescopes, as the radiation absorbed by the atmosphere and reaches the earth’s surface. Earlier infrared space telescopes could detect the infrared light from only the brightest galaxies.

Space observatory Herschel, created by the European Space Agency (ESA) and launched in May 2009, is the largest space telescope ever built with a mirror diameter of 3.5 m

The analyzer PACS, being on board the vehicle, designed to receive high-definition images in the far-infrared and submillimeter wave radiation. Popular news informers tell about the most important events of the day.

Original: ScienceDaily

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