The night sky has always played a crucial role in navigation, from early ocean crossings to modern GPS. Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with supermassive black holes, surrounded by brilliantly hot disks of swirling gas that can blast off jets of material. Following up on the groundbreaking 2020 discovery of […]
Category:
Active Galaxies, Astrophysics, Astrophysics Division, Goddard Space Flight Center, Hubble Space Telescope, Quasars
Posted on
January 13, 2025
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