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The term quasar originated as a contraction of "quasi-stellar [star-like] radio source"—because they were first identified during the 1950s as sources of radio-wave emission of unknown physical origin—and when identified in photographic images at visible wavelengths, they resembled faint, star-like points of light.
Jun 2, 2024 · Quasars Definition. A quasar can be defined as an extremely Active Galactic Nucleus. An AGN is nothing more than a supermassive black hole that is active and feeding at the center of a galaxy. They are extremely bright and sometimes mistaken for stars. However, the energy output of a star is nowhere near the amount of energy pumped out by a quasar.
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JAVA. A Kubernetes Native Java stack tailored for OpenJDK HotSpot and GraalVM, crafted from the best of breed Java libraries and standards. Now Available. Quarkus 3.12.1. Read the release notes. Get Started with Quarkus Read the Guides. Quarkus Features. Container First. Quarkus tailors your application for GraalVM and HotSpot.
Jun 23, 2021 · A quasar is a very bright, distant and active supermassive black hole that is millions to billions of times the mass of the Sun. Among the brightest objects in the universe, a quasar’s light outshines that of all the stars in its host galaxy combined.
Feb 28, 2021 · What is a quasar? The word quasar stands for quasi-stellar radio source. Quasars got that name because they looked starlike when astronomers first began to notice them in the late 1950s and...
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Jun 13, 2023 · What Are Quasars? They Aren’t Stars, But They Are the Universe’s Brightest Objects. Found at the heart of large, ancient galaxies, quasars are so luminous they can outshine the sun by as much...