Sentences with phrase «brightest galactic cluster»
When viewed in X-rays, Perseus appears to be the brightest galactic cluster in Earth's sky.
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The three bands then correspond to the galactic center of a galaxy in the Hubble field and the interacting galaxy, the center of a bright star in the Magellanic cloud and a star cluster and the last band corresponds to the white dwarf in the Helix and Cat's eye nebulae.