Galaxies

The Universe’s Brightest Lights Have Some Dark Origins
The Universe’s Brightest Lights Have Some Dark Origins The universe’s brightest lights come from regions around black holes at the centers of galaxies, which are detected by satellites like NASA’s Fermi Gamma-ray Space Telescope. These bright sources are often blazars, a type of active galaxy powered by supermassive black holes that have jets of particles […]
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NASA’s SPHEREx Takes First Images, Preps to Study Millions of Galaxies
NASA’s SPHEREx Takes First Images, Preps to Study Millions of Galaxies 5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA’s SPHEREx, which will map millions of galaxies across the entire sky, captured one of its first exposures March 27. The observatory’s six detectors each captured one of these uncalibrated images, to which […]
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