This image of spiral galaxy M101 is a composite of data from three of NASA’s Great Observatories. Chandra’s X-ray data (top right) is shown in blue, Hubble’s optical data (middle right) in yellow, and Spitzer’s infrared data (bottom right) in red. Combined these observatories create a more detailed look of the universe. (NASA/JPL-Caltech/ ESA/STScI/K. Gordon /CXC/JHU/K.Kuntz et al.)

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