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Which galaxy is the brightest known radio galaxy?
Quick Answer
Cygnus A is one of the brightest and most powerful radio galaxies known. It is an important nearby example of an active galaxy with giant radio jets.
The Full Story
Cygnus A is among the strongest radio sources in the sky and a classic example of an active galaxy. At the center is a supermassive black hole feeding on surrounding matter and launching powerful jets. These jets inflate enormous radio lobes visible at radio wavelengths. Cygnus A is relatively nearby on cosmic scales, about 600 million light-years away. It has long been used to study how black holes affect their host galaxies.
Key Facts
1.Distance: about 600 million light-years
2.One of the brightest radio galaxies
3.Powered by a supermassive black hole
YouTube Angle
Suggested video title for this topic:
"A galaxy with black-hole jets powerful enough to light up radio maps."
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