The network of interstellar filaments in Polaris as imaged by ESA’s Herschel space observatory at infrared wavelengths 250, 350 and 500 microns. These filaments are not yet forming stars. Credits: ESA/Herschel/SPIRE/Ph. André (CEA Saclay) for the Gould Belt survey Key Programme Consortium and A. Abergel (IAS Orsay) for the Evolution of Interstellar Dust Key Programme Consortium.
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