The look of the HUDF (outlined area) if human eyes could see in the way that Spitzer can see. The red color of this picture comes from the deepest infrared observations made by the GOODS team using Spitzer. Within the HUDF, which is about 1% the size of the full Moon, the GOODS astronomers have identified 17 galaxies with extremely red colors.
Object Name: GOODS (Chandra Deep Field - South)
Image Type: Astronomical/Illustration
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