Our Milky Way is calm compared to active galaxies, whose central black holes can sling-shot jets of material across space at near-light-speed. The jets emit light and, like lighthouse beams, are brightest when pointed at us. https://tmblr.co/Zz_Uqj2VhC7pa #NationalLighthouseDay | NASA Universe
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Our Milky Way is calm compared to active galaxies, whose central black holes can sling-shot jets of material across space at near-light-speed. The jets emit light and, like
NASA Universe. . Our Milky Way is calm compared to active galaxies, whose central black holes can sling-shot jets of material across space at near-light-speed. The jets emit light and, like lighthouse beams, are brightest when pointed at us. https://tmblr.co/Zz_Uqj2VhC7pa #NationalLighthouseDay
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