A distant quasar has revealed one of the most extreme ultraviolet outflows ever observed, providing…
Browsing: Quasars
Quasars, or quasi-stellar objects, are extraordinarily bright astronomical objects located at the centers of distant galaxies, powered by supermassive black holes. As material falls into these black holes, it heats up to extreme temperatures, causing quasars to emit incredible amounts of energy, including visible light, radio waves, and X-rays. They are among the most luminous, powerful, and energetic objects in the universe, often outshining the entire galaxies in which they reside. Quasars were first identified as being high redshift sources of electromagnetic energy, including radio waves and visible light, during the 1960s. Their discovery was significant because it provided a profound glimpse into the processes occurring in the early universe. The study of quasars and other active galactic nuclei (AGN) is crucial for understanding the formation and growth of galaxies, the behavior of matter under extreme gravity, and the history of the universe itself.
Observations of a distant quasar reveal that supermassive black holes may suppress star formation across…
New observations suggest that the relationship between light emitted by quasars has changed over cosmic…
A black hole in a distant quasar is growing faster than the usual limit, according…
In a dramatic galactic showdown dubbed the “cosmic joust,” astronomers have captured an extraordinary cosmic…
Astronomers have discovered a massive, double-lobed radio jet stretching 200,000 light-years from a quasar that…
For the first time, researchers have found evidence that even microquasars with low-mass stars can…
Astronomers have identified a quasar that may help explain how the universe’s “dark ages” finally…
Legendary Active Galaxy Contains a Monster Black Hole Amateur astronomers can observe an extraordinary celestial…
Researchers using XMM-Newton and Chandra telescopes have linked X-ray emissions from 21 distant quasars to…
Microquasars within the Milky Way, like V4641 Sagittarii, have been discovered to emit photons with…
Astronomers used the James Webb Space Telescope to detect ancient lonely quasars with murky origins.…
A new finding with the expansive Dark Energy Camera offers a clear explanation for the…
Astronomers have identified the earliest pair of quasars, shining 900 million years post-Big Bang, revealing…
For the first time, astronomers mapped the outflows from one of the closest quasars —…
Ancient starlight from the earliest quasars has been captured by MIT astronomers, revealing that some…
NASA’s Chandra Identifies an Underachieving Black Hole Astronomers have revealed that a brilliant supermassive black…
Research reveals the quasar H1821+643, despite its intense activity, has a minimal effect on its…