This mosaic of images collected in space by NASA’s three Great Observatories shows the center of the Milky Way galaxy in near-infrared (yellow), infrared (red) and X-rays (blue and violet). Compiled to commemorate the International Year of Astronomy, the image gives one of the most detailed views yet of the galactic core. Produced by the Hubble Space Telescope, the yellow near-IR images show hundreds of thousands of stars and the energetic star-birth regions where new ones form. The red ...


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