Examples of images of 2 holes in space (left) and 2 dark clouds (right) (IMAGE)
Caption
This shows examples of images of two holes in space (left) and two dark clouds (right). The Spitzer images, showing warm dust and stars, are in blue, while the far-infrared light that Herschel sees, showing the much colder dust, is shown in gold.
Credit
Image credit: ESA/Herschel/SPIRE/Hi-GAL Consortium ; NASA/JPL-Caltech
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