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A quasar (contraction of QUASi-stellAR radio source) is an extremely powerful and distant active galactic nucleus. They were first identified as being high redshift sources of electromagnetic energy, including radio waves and visible light that were point-like, similar to stars, rather...
In addition, gamma-ray observations alone can provide valuable information on the nature of particle acceleration in the quasar jet, and clues as to how the particles interact with their surroundings.
See the above answer. It is thought the infall of matter into the supermassive black hole can result in very hot regions where huge energies are released, powering the quasar (i.e., producing the ...
What is a quasar? And do quasars pose any danger to us on Earth? ... The cool name "quasar" comes from the phrase "quasi-stellar radio source." ...
The word quasar is short for "quasi-stellar radio source". This name, which means star-like emitters of radio waves, was given in the 1960s when quasars were first detected.
Quasar is a crew of over 100 digital specialists spread nationwide covering services in digital media, creative, e-business solution, search marketing and optimization, mobile, e-commerce, e ...
CodeBrain.com is a leading resource for software, freeware, free JAVA Applets, tools, scripts, and how-to articles for web developers, ... Details: The applet includes sound and transparent gif support. ...
So from a distance of 10 parsecs, this object would shine in the sky about as bright as our sun ! This quasar's luminosity is, therefore, about 2 trillion (10^12) times that of our sun, and still ...
The redshift 6.4 quasar -- compact but luminous objects thought to be powered by super-massive black holes -- is seen at a time when the universe was just 800 million years old.
A dedicated 2.5 meter telescope which uses sensitive electronic light detectors to systematically map a quarter of the sky, building a catalog of celestial objects, galaxies, and quasar...
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