Herschel survey in infrared
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Herschel survey in infrared

March 20, 2014
Collage of galaxies included in the Herschel Reference Survey, the largest census of cosmic dust in the local Universe. The galaxies are presented in false-colour to highlight different dust temperatures, with blue and red representing colder and warmer regions respectively. The collage is presented with dust-rich, spiral and irregular galaxies in the top left, and giant, dust-poor elliptical galaxies in the bottom-right. The images were composed from PACS and SPIRE observations at 100, 160 and 250 microns. Copyright ESA/Herschel/HRS-SAG2 and HeViCS Key Programmes/L. Cortese (Swinburne University)

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