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Two images of a new class of galaxy: mysterious red galaxies. The top image, taken by the near-infrared Hubble Space Telescope, sees nothing apparent inside the red circle which locates where the red galaxy is found; the bottom image, taken by the infrared camera IRAC on the Spitzer Space Telescope, sees a bright source there, indicating the extreme redness of this distant galaxy.
(The labels identify the particular instruments used to obtain the images.)
Credit: J-S Huang
Low Resolution Image (jpg)
Credit: J-S Huang
Low Resolution Image (jpg)
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