Gamma Rays in Galactic Nuclei 3 Toddler T-shirt

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active agn beams black black holes bright burst close-up electromagnetic radiation emitting explosion galactic galaxy gamma rays holes interstellar luminous nucleus pink purple radiating radiation rays red regions releasing spectrum swirling universe vortex whirlpool white eruption exploding vertical discharge space spiral light active galactic nucleus quasar gamma radiation blazar quasi-stellar objects