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Quasars are the most luminous, powerful, and energetic objects known in the universe. They tend to inhabit the very centers of active young galaxies and can emit up to a thousand times the energy output of the Milky Way. Basically, they are galaxies with extremely luminous nuclei outshining their parent galaxy by several hundred times, caused by a high redshift source of electromagnetic energy (radio waves, visible light, etc.) at a compact region in the center of the galaxy surrounding the theoretical supermassive black hole. The most luminous quasars radiate at a rate that can exceed the output of average galaxies, roughly equivalent to one trillion suns!
The energy source to such stupendous activity is theoretically considered to be an accretion of matter into a supermassive black hole expelled as pure energy in cataclysmic bursts generated outside the event horizon by gravitational stresses and immense friction on the incoming material.
In answer to your question, the most extreme quasar currently known for being the least distant, optically brightest from Earth, and the most powerful quasar radio source is 3C 273.
What else can I help you with?
Largest pumpkin ever recorded?
Largest pumpkin ever recorded was in 2012 and it weighed in at 2009 lbs.
What was the weight of the largest moose ever recorded?
The largest moose ever recorded had an estimated weight of around 1,800 pounds.
What is the biggest disaster ever recorded?
a explosion size of perth in waroona wa
What is the largest fruit ever recorded?
A jackfruit
How long was the largest timber rattlesnake ever?
The largest Timber Rattlesnake ever recorded was 74.5 inches
What is the largest ever recorded crowd in Australia?
5
What is the largest storm ever recorded?
Cyclone Monica
What is the largest spitting cobra ever recorded?
Arbok!
Which is the largest volcano mountain ever recorded?
mount Manganui
Was there ever a magnitude ten earthquake?
No. The largest ever recorded was in 1965 in Chile and that was a 9.5.
What was the largest snowflake ever recorded?
The largest snowflake ever recorded was 15 inches in diameter and observed at Fort Keogh, Montana on January 28, 1887.
Was the japan earthquake and tsunami the largest EQ ever recorded?
nopee
