A black hole is more than just a region of space where nothing escapes. It can also become a powerful cosmic engine. When matter spirals inward, falling into its grasp, the black hole doesn't just ...
Astronomers have reached deeper into the heart of a brilliant cosmic engine than ever before, using NASA’s Hubble Space Telescope to capture a rare, close-up view of a quasar’s core. Quasars are some ...
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