Herschel Space Observatory to lift off on 14 May

Sunday, May 10, 2009 - 01:35 in Astronomy & Space

The evolution of galaxies in the early Universe is increasingly studied in the infrared. In the near-infrared, scientists observe the redshifted light from stars in these galaxies, and in the far-infrared and submillimetre range, the light which has been swallowed by dust and then re-emitted. Many galaxies even emit up to 90 percent of their luminosity in the far-infrared. PACS operates at far-infrared wavelengths of up to 210 micrometres...

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